Hard Samurai Sudoku Puzzles: Hard to Extremely Hard Overlapping Sudoku Puzzles (Paperback) (ISBN-13: 9798643809500)

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.

Why you'll love this Samurai Sudoku Puzzles Book?

• There are more than 200 Samurai puzzles (or 1000 overlapping Sudoku puzzles) with solutions from Hard to extremely hard Puzzles.
  
• Total 200 puzzles in 4 levels of difficulty from Hard to Fiendish.
  
• These Puzzles are not for the heart-fainted or people who don't dare to face the challenges. This book is a unique gift for advanced Sudoku solver.

Features:

• Size: 8 x 11.5 inch (large size) with softcover and paperback binding.
• Pages: 159 pages with 200+ puzzles (two per page) with a large margin around. The solutions for all the puzzles can be found at the end of the book.
• Bonus Inside: Six Jigsaw Sudoku Puzzles