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  • 100+ Overlapping Sudoku Puzzles: 9 Different Sudoku Variants from Easy to Hard by Somatomint
    Somatomint

    100+ Overlapping Sudoku Puzzles: 9 Different Sudoku Variants from Easy to Hard

    Stretch your brain and keep your mind young with the challenging, the boredom killer, the overlapping Sudoku puzzles in this book. Scientific research has shown that solving logic puzzles as Sudoku keeps your mind younger and your memory sharper. What are the types of...
    $10.41
    $10.41
    $10.41
  • 1000 Jigsaw Sudoku: irregular Sudoku Puzzles (easy to extremely hard) by Somatomint
    Somatomint

    1000 Jigsaw Sudoku: irregular Sudoku Puzzles (easy to extremely hard)

    Ideal for adults and young adults who are bored from the vanilla classic Sudoku and ready for some twisted variations. This Huge Jigsaw Sudoku activity book includes 1000+ Jigsaw Sudoku puzzles from very easy to hard with examples and solutions. Why will you love...
    $12.16
    $12.16
    $12.16
  • 16x16 Diagonal Sudoku X: Hard Mega-Sudoku X Puzzles by Somatomint
    Somatomint

    16x16 Diagonal Sudoku X: Hard Mega-Sudoku X Puzzles

    Challenge your brain, have a fun time, and fight the boredom with the mega Diagonal Sudoku challenging puzzles.This Sudoku activity book includes 120 puzzles of 16x16 Sudoku X from Hard to Extreme with instructions, examples, and solutions. Plus Bonus Puzzles of a different type...
    $9.51
    $9.51
    $9.51
  • 200+ Jigsaw Sudoku Puzzles: irregular Sudoku Puzzles for adults and seniors by Somatomint
    Somatomint

    200+ Jigsaw Sudoku Puzzles: irregular Sudoku Puzzles for adults and seniors

    Ideal for seniors who are bored from the vanilla classic Sudoku and ready for some twisted variations. This Sudoku activity book includes 200+ Jigsaw Sudoku puzzles from very easy to hard with examples and solutions. Why will you love this book? You'll challenge your...
    $9.33
    $9.33
    $9.33
  • 220 kakuro Puzzles: Cross Sums Puzzles for adults by Somatomint
    Somatomint

    220 kakuro Puzzles: Cross Sums Puzzles for adults

    Improve Your Mental Focus, Boost Your Brain Powers and enjoy your time solving the challenging Kakuro or cross sum puzzles. This Book has 220 Puzzles of kakuro. The first 50 puzzles are super easy as some of the numbers are already filled in to...
    $9.50
    $9.50
    $9.50
  • 3D Sudoku Puzzles: Isometric Sudoku for Adults by Somatomint
    Somatomint

    3D Sudoku Puzzles: Isometric Sudoku for Adults

    Ideal for Seniors, adults and young adults who are bored from the vanilla classic Sudoku and ready for some 3D challenges. This 3D Sudoku Puzzle book includes 150 3D Sudoku puzzles with three different shapes.The 3D Sudoku puzzles are only for Expert Sudoku solvers....
    $9.14
    $9.14
    $9.14
  • 450 Sudoku Variants: Jigsaw-Sudoku, Sudoku-X, Windoku, Girandola-Sudoku, and Argyle-Sudoku Puzzles by Somatomint
    Somatomint

    450 Sudoku Variants: Jigsaw-Sudoku, Sudoku-X, Windoku, Girandola-Sudoku, and Argyle-Sudoku Puzzles

    Keep your mind young and your memory sharp with 450 Sudoku Variety Puzzles Book. Scientific research has shown that solving logic puzzles as Sudoku keeps your memory sharper and your mind younger. There are 5 different types of puzzles in this book, Jigsaw Sudoku,...
    $9.14
    $9.14
    $9.14
  • 500 Sudoku Variants Medium Level: Jigsaw Sudoku, Sudoku X, Windoku, Girandola, and Argyle Sudoku by Somatomint
    Somatomint

    500 Sudoku Variants Medium Level: Jigsaw Sudoku, Sudoku X, Windoku, Girandola, and Argyle Sudoku

    Keep your mind young and your memory sharp with 500 Sudoku Variety Puzzles Book. Scientific research has shown that solving logic puzzles as Sudoku keeps your memory sharper and your mind younger. There are 5 different types of puzzles in this book, Jigsaw Sudoku,...
    $9.22
    $9.22
    $9.22
  • 6 Different Jigsaw Sudoku Variants: irregular Sudoku puzzles for adults (easy to hard) by Somatomint
    Somatomint

    6 Different Jigsaw Sudoku Variants: irregular Sudoku puzzles for adults (easy to hard)

    Keep your mind young and your memory sharp with 480 Jigsaw Sudoku Variety Puzzles Book. Scientific research has shown that solving logic puzzles as Sudoku keeps your memory sharper and your mind younger. There are 6 different types of puzzles in this book, Centre-dot...
    $9.34
    $9.34
    $9.34
  • Consecutive Sudoku & Non-Consecutive Sudoku Puzzles: Challenging Sudoku Variant Puzzles (easy to hard) by Somatomint
    Somatomint

    Consecutive Sudoku & Non-Consecutive Sudoku Puzzles: Challenging Sudoku Variant Puzzles (easy to hard)

    Improve Your Mental Focus, Boost Your Brain Powers and enjoy your time solving 600 Challenging Consecutive Sudoku and Non-Consecutive Sudoku puzzles.Sudoku games have been scientifically proven to improve mental focus, sharpen the memory as well as protecting the brain from neurodegenerative disorders.This Book has...
    $9.44
    $9.44
    $9.44
  • Diagonal Samurai Sudoku X: 100+ overlapping diagonal Sudoku X puzzles by Somatomint
    Somatomint

    Diagonal Samurai Sudoku X: 100+ overlapping diagonal Sudoku X puzzles

    Unique Puzzle book for seniors who are bored from the vanilla flavored Sudoku and ready for some variations. This Sudoku activity book includes 100+ Diagonal Samurai Sudoku puzzles from very easy to hard with examples, and solutions. Plus Bonus Puzzles of a different type...
    $9.37
    $9.37
    $9.37
  • Diagonal Sudoku Puzzles: Sudoku X Puzzles for adults (easy to hard) by Somatomint
    Somatomint

    Diagonal Sudoku Puzzles: Sudoku X Puzzles for adults (easy to hard)

    This Sudoku activity book includes 500+ Diagonal Sudoku puzzles ten levels from very easy to extremely hard with examples and solutions. Plus, Bonus Samurai Diagonal Sudoku Puzzles Unique Puzzle book for adults and young adults who are bored from the vanilla flavored Sudoku and...
    $9.28
    $9.28
    $9.28
  • Extremely Hard Sudoku: 500+ Difficult Sudoku Puzzles for adults by Somatomint
    Somatomint

    Extremely Hard Sudoku: 500+ Difficult Sudoku Puzzles for adults

    500+ Extremely Hard Sudoku Puzzles, that will make your brain sweat. Keep your mind young and your memory sharp with the 500 Extremely hard and challenging Sudoku puzzles in this book. Scientific research has shown that solving logic puzzles as Sudoku keeps your memory...
    $9.56
    $9.56
    $9.56
  • Hard Samurai Sudoku Puzzles: Hard to Extremely Hard Overlapping Sudoku Puzzles by Somatomint
    Somatomint

    Hard Samurai Sudoku Puzzles: Hard to Extremely Hard Overlapping Sudoku Puzzles

    Challenge your brain and keep your mind sharp with the challenging puzzles in this book that will make your brain sweat. Scientific research has shown that solving logic puzzles as Sudoku keeps your mind younger and your memory sharper. This Brain stretching activity book...
    $9.56
    $9.56
    $9.56
  • Hard Sudoku: 500 Hard Sudoku Puzzles for adults by Somatomint
    Somatomint

    Hard Sudoku: 500 Hard Sudoku Puzzles for adults

    Keep your mind young and your memory sharp with the 500 Hard and challenging Sudoku puzzles in this book. Scientific research has shown that solving logic puzzles as Sudoku keeps your memory sharper and your mind younger. There are 5 levels of the puzzles...
    $8.18
    $8.18
    $8.18
  • Hashi Bridges Puzzles Mixed Grids: Large Bridges Puzzles for adults (solutions included) by Somatomint
    Somatomint

    Hashi Bridges Puzzles Mixed Grids: Large Bridges Puzzles for adults (solutions included)

    Challenge your brain and have a fun time with the challenging Hashi / Bridges puzzles. This Book has 150 Huge Hashi / Bridges Puzzles (20x20, 25x25, and 30x30 grids). Answers of all the puzzles are included at the end of the book. What are...
    $9.81
    $9.81
    $9.81
  • Hashi Bridges Puzzles Small to Huge: Bridges and Islands Puzzles by Somatomint
    Somatomint

    Hashi Bridges Puzzles Small to Huge: Bridges and Islands Puzzles

    Challenge your brain and have a fun time with the challenging Hashi / Bridges puzzles.This Book has 120 Hashi / Bridges Puzzles in multiple levels of complexity 20 Puzzles of size 6x6 Grid 20 Puzzles of size 9x9 Grid 20 Puzzles of size 12x12...
    $8.14
    $8.14
    $8.14
  • Hashi Puzzles: Bridges and Islands Puzzles for adults and seniors by Somatomint
    Somatomint

    Hashi Puzzles: Bridges and Islands Puzzles for adults and seniors

    Challenge your brain and have a fun time with the challenging Hashi / Bridges puzzles. This Book has 100 large Hashi / Bridges Puzzles printed in big font 18 pt. Answers of all the puzzles are included at the end of the book. Please...
    $8.32
    $8.32
    $8.32
  • Huge Print Jigsaw Sudoku from Easy to Medium: Brain Exercises for adults and seniors by Somatomint
    Somatomint

    Huge Print Jigsaw Sudoku from Easy to Medium: Brain Exercises for adults and seniors

    Stretch your brain, keep your mind young and fight neurodegenerative deterioration with the fun Jigsaw Sudoku puzzles in this book. Scientific research has shown that solving logic puzzles as Sudoku keeps your mind younger and your memory sharper. This book is great for seniors...
    $8.26
    $8.26
    $8.26
  • Huge Print Sudoku from Medium to Hard: Sudoku Puzzles for adults and seniors by Somatomint
    Somatomint

    Huge Print Sudoku from Medium to Hard: Sudoku Puzzles for adults and seniors

    Stretch your brain, keep your mind young, and fight neurodegenerative deterioration with the fun Sudoku puzzles in this book. Scientific research has shown that solving logic puzzles as Sudoku keeps your mind younger and your memory sharper. This book is great for seniors because...
    $8.26
    $8.26
    $8.26
  • Huge Print Sudoku Hard level: Brain exercises for adults and seniors by Somatomint
    Somatomint

    Huge Print Sudoku Hard level: Brain exercises for adults and seniors

    Stretch your brain, keep your mind young, and fight neurodegenerative deterioration with the fun Sudoku puzzles in this book. Scientific research has shown that solving logic puzzles as Sudoku keeps your mind younger and your memory sharper. This book is great for seniors because...
    $8.26
    $8.26
    $8.26
  • Japanese Logic Puzzles: Different types of logic puzzles (Sudoku, Futoshiki, Hashi, Nonogram and more!) by Somatomint
    Somatomint

    Japanese Logic Puzzles: Different types of logic puzzles (Sudoku, Futoshiki, Hashi, Nonogram and more!)

    Updated Version The Puzzles and the solution sections were updated and revised.Improve Your Mental Focus, Boost Your Brain Powers and enjoy your time solving the Challenging logic puzzles. This Puzzle Book has 9 different types of logic puzzles (Total 380 Logic puzzles) that will...
    $9.49
    $9.49
    $9.49
  • Jigsaw Samurai Sudoku Easy to Hard: irregular multi-Sudoku puzzles for adults by Somatomint
    Somatomint

    Jigsaw Samurai Sudoku Easy to Hard: irregular multi-Sudoku puzzles for adults

    Unique Puzzles for adults and young adults who are bored from the vanilla flavored Sudoku and ready for some variations.900 overlapping irregular Jigsaw Sudoku puzzles that make180 Jigsaw Samurai puzzles from easy to hard levels with instructions and the solution.This book is great for...
    $10.44
    $10.44
    $10.44
  • Jigsaw Sudoku Variants: 5 different types of irregular sudoku puzzles for adults (easy to hard) by Somatomint
    Somatomint

    Jigsaw Sudoku Variants: 5 different types of irregular sudoku puzzles for adults (easy to hard)

    Keep your mind young and your memory sharp with 450 Jigsaw Sudoku Variety Puzzles Book. Scientific research has shown that solving logic puzzles as Sudoku keeps your memory sharper and your mind younger. There are 5 different types of puzzles in this book, Diagonal...
    $9.16
    $9.16
    $9.16
  • Kakuro Puzzles with some filled numbers: Cross Sums Puzzles for adults by Somatomint
    Somatomint

    Kakuro Puzzles with some filled numbers: Cross Sums Puzzles for adults

    Improve Your Mental Focus, Boost Your Brain Powers and enjoy your time solving the challenging Kakuro or cross sum puzzles. This Book has 170+ Puzzles of kakuro Puzzles with some prefilled numbers. The puzzles are super easy as some of the numbers are already...
    $9.40
    $9.40
    $9.40
  • Killer Sudoku Adventures: 500 Sum Sudoku puzzles for adults (easy to hard) by Somatomint
    Somatomint

    Killer Sudoku Adventures: 500 Sum Sudoku puzzles for adults (easy to hard)

    500 Puzzles of Killer Sudoku that will take you into an adventure of 10 Difficulty levels from Easy to Hard. Answers to all the puzzles are included at the end of the book. Killer Sudoku unique sum cheat sheet included inside the book What...
    $9.69
    $9.69
    $9.69
  • Killer Sudoku Puzzles from Medium to Hard: 200+ Sum Sudoku puzzles for adults by Somatomint
    Somatomint

    Killer Sudoku Puzzles from Medium to Hard: 200+ Sum Sudoku puzzles for adults

    200+ Puzzles of medium to hard Killer Sudoku that will take you into an adventure of 4 Difficulty levels (Two Puzzles per page). Answers to all the puzzles are included at the end of the book. Killer Sudoku unique sum cheat sheet included inside...
    $8.27
    $8.27
    $8.27
  • Killer Sudoku Variants: 5 different Variants of Sum Sudoku Puzzles for adults (easy to hard) by Somatomint
    Somatomint

    Killer Sudoku Variants: 5 different Variants of Sum Sudoku Puzzles for adults (easy to hard)

    Keep your mind young and your memory sharp with 450 Killer Sudoku Variety Puzzles Book.There are 5 different types of puzzles in this book, Diagonal Killer Sudoku, Jigsaw Killer Sudoku, Killer Windoku, Girandola Killer Sudoku, Antidiagonal Killer Sudoku.The book has 90 puzzles for each...
    $9.16
    $9.16
    $9.16
  • Killer Sudoku Volume 2: 500 Sum Sudoku Puzzles for adults (Easy to Medium) by Somatomint
    Somatomint

    Killer Sudoku Volume 2: 500 Sum Sudoku Puzzles for adults (Easy to Medium)

    Killer Sudoku Adventures volume 2 book features 500 Puzzles of Killer Sudoku that will take you into an adventure of 10 Difficulty levels from Easy to Medium.Answers to all the puzzles are included at the end of the book. Killer Sudoku unique sum cheat...
    $9.69
    $9.69
    $9.69
  • Masyu Puzzles Mixed Grids: Logic Puzzles for adults (Easy to Hard) by Somatomint
    Somatomint

    Masyu Puzzles Mixed Grids: Logic Puzzles for adults (Easy to Hard)

    Challenge your brain and have a fun time with challenging Masyu puzzles.This Book has 433 Mixed Grids Masyu Puzzles (9x9,12x12 and 10x15 grids).Nine levels of difficulty from easy to hard (for each grid size).Answers of all the puzzles are included at the end of...
    $10.77
    $10.77
    $10.77
  • Masyu Puzzles: Challenging Logic Puzzles for adults (Easy to Hard) by Somatomint
    Somatomint

    Masyu Puzzles: Challenging Logic Puzzles for adults (Easy to Hard)

    Challenge your brain and have a fun time with challenging Masyu puzzles.This Book has 540 Masyu Puzzles (9x9 grid) in Nine levels of difficulty from easy to hard (60 puzzles in each level). Answers of all the puzzles are included at the end of...
    $9.52
    $9.52
    $9.52
  • Mixed Grid Futoshiki Puzzles: Futoshiki logic puzzles for adults by Somatomint
    Somatomint

    Mixed Grid Futoshiki Puzzles: Futoshiki logic puzzles for adults

    Challenge your brain and have a fun time with the challenging Futoshiki puzzles in this book. This Book has 270 Puzzles of Futoshiki (7x7, 8x8, and 9x9 grid) in 3 levels easy, medium, and hard (30 Puzzles in each level for each grid size)....
    $8.14
    $8.14
    $8.14
  • Nonogram Logic Puzzles: Hanjie Puzzles for Adults by Somatomint
    Somatomint

    Nonogram Logic Puzzles: Hanjie Puzzles for Adults

    Challenge your brain and have a fun time with the challenging Nonogram puzzles. This Book has 101 Nonogram Puzzles in multiple levels of complexity mostly Medium and Hard levels (see the pictures on the cover and the back of the book). Clues for the...
    $10.35
    $10.35
    $10.35
  • Nonogram Puzzles: Hanjie Logic Puzzles for Adults by Somatomint
    Somatomint

    Nonogram Puzzles: Hanjie Logic Puzzles for Adults

    Challenge your brain and have a fun time with the challenging Nonogram puzzles. This Book has 60+ Nonogram Puzzles in multiple levels of complexity mostly Medium and Hard levels (see the pictures on the cover and the back of the book). Clues for the...
    $8.14
    $8.14
    $8.14
  • Overlapping Sudoku Puzzles Medium to Hard: 9 Different Multi-Sudoku Variants by Somatomint
    Somatomint

    Overlapping Sudoku Puzzles Medium to Hard: 9 Different Multi-Sudoku Variants

    Stretch your brain and keep your mind young with the challenging, the boredom killer, the overlapping Sudoku puzzles in this book. Scientific research has shown that solving logic puzzles as Sudoku keeps your mind younger and your memory sharper. What are the types of...
    $10.41
    $10.41
    $10.41
  • Samurai Sudoku Puzzles: Medium to Extremely Hard Samurai Sudoku Puzzles by Somatomint
    Somatomint

    Samurai Sudoku Puzzles: Medium to Extremely Hard Samurai Sudoku Puzzles

    Challenge your brain, keep your mind sharp. Kill the boredom with Samurai Sudoku challenging puzzles.Scientific research has shown that solving logic puzzles as Sudoku keeps your mind younger and your memory sharper.1,150+ Sudoku Puzzles combined in 320+ Samurai Sudoku PuzzlesFive levels of difficulty, from...
    $9.75
    $9.75
    $9.75
  • Samurai Sudoku Variants: 4 Different types of Samurai Sudoku Puzzles (Easy to Hard) by Somatomint
    Somatomint

    Samurai Sudoku Variants: 4 Different types of Samurai Sudoku Puzzles (Easy to Hard)

    Keep your mind young and your memory sharp with 240 overlapping Samurai Sudoku Variety Puzzles Book.Scientific research has shown that solving logic puzzles as Sudoku keeps your memory sharper and your mind younger. There are 4 different types of puzzles in this book; Classic...
    $10.62
    $10.62
    $10.62
  • Slitherlink Puzzles Large Grid: Logic Puzzles for adults (medium to hard) by Somatomint
    Somatomint

    Slitherlink Puzzles Large Grid: Logic Puzzles for adults (medium to hard)

    Challenge your brain and have a fun time with challenging Slitherlink or Loop-the-Loop puzzles.This Book has 100 large grid (20x25) Slitherlink in five levels of difficulty from medium to hard.Answers of all the puzzles are included at the end of the book.What is Slitherlink...
    $9.44
    $9.44
    $9.44
  • Slitherlink Puzzles Mixed Grids: Logic Puzzles for adults (easy to hard) by Somatomint
    Somatomint

    Slitherlink Puzzles Mixed Grids: Logic Puzzles for adults (easy to hard)

    Challenge your brain and have a fun time with challenging Slitherlink or Loop-the-Loop puzzles.This Book has 150 Mixed grids Slitherlink in five levels of difficulty from easy to hard. 50 Puzzles of size 10x10 Grid 50 Puzzles of size 15x15 Grid 50 Puzzles of...
    $9.46
    $9.46
    $9.46
  • Sudoku Variants Volume 3: Consecutive, Non-Consecutive, Centre-Dot & Greater than Sudoku Puzzles by Somatomint
    Somatomint

    Sudoku Variants Volume 3: Consecutive, Non-Consecutive, Centre-Dot & Greater than Sudoku Puzzles

    Keep your mind young and your memory sharp with 450 Sudoku Variety Puzzles Book. Scientific research has shown that solving logic puzzles as Sudoku keeps your memory sharper and your mind younger. There are 5 different types of puzzles in this book, Consecutive Sudoku,...
    $9.14
    $9.14
    $9.14
  • Super Samurai Sudoku 3: 13-Grid Sudoku Puzzles by Somatomint
    Somatomint

    Super Samurai Sudoku 3: 13-Grid Sudoku Puzzles

    Stretch your brain and keep your mind young with the challenging, the ultimate boredom killer, the Super Samurai Sudoku puzzles in this book. 1690 Sudoku Puzzles combined in 130 Super Samurai Sudoku Puzzles with Solutions of all the puzzles. Why you'll love these Super...
    $11.73
    $11.73
    $11.73
  • Super Samurai Sudoku Puzzles: 13-Grid Sudoku Puzzles by Somatomint
    Somatomint

    Super Samurai Sudoku Puzzles: 13-Grid Sudoku Puzzles

    Stretch your brain and keep your mind young with the challenging, the ultimate boredom killer, the Super Samurai Sudoku puzzles in this book. 1300+ Sudoku Puzzles combined in 100+ Super Samurai Sudoku Puzzles with Solutions of all the puzzles. Why you'll love this Samurai...
    $11.64
    $11.64
    $11.64
  • Super Samurai Sudoku Volume 2: 13-Grid Sudoku Puzzles by Somatomint
    Somatomint

    Super Samurai Sudoku Volume 2: 13-Grid Sudoku Puzzles

    Stretch your brain and keep your mind young with the challenging, the ultimate boredom killer, the Super Samurai Sudoku puzzles in this book. 1625 Sudoku Puzzles combined in 125 Super Samurai Sudoku Puzzles with Solutions of all the puzzles.Why you'll love this Samurai Sudoku...
    $11.66
    $11.66
    $11.66
  • Tridoku Puzzles: Triangular-Sudoku Puzzles for adults and seniors by Somatomint
    Somatomint

    Tridoku Puzzles: Triangular-Sudoku Puzzles for adults and seniors

    Improve Your Mental Focus, Boost Your Brain Powers and enjoy your time solving the Challenging Tridoku or triangle sudoku puzzles. Sudoku games have been scientifically proven to improve mental focus, sharpen the memory as well as protecting the brain from neurodegenerative disorders. This Book...
    $8.14
    $8.14
    $8.14

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