Jigsaw Sudoku vol 2: 160 very twisted puzzles (Paperback) (ISBN-13: 9781441401120)

This book contains 160 brand NEW, previously UNPUBLISHED Jigsaw Sudoku puzzles.Jigsaw (or irregularly shaped) Sudoku puzzles share the same rules with classic Sudoku. The only difference is that the nine nonets are, well, irregularly shaped.This makes the puzzles slightly harder than the original Sudoku and surely more entertaining, because every puzzle has a unique nonet design and therefore, they can never become boring.In this book there are 150 of these puzzles in 5 levels of difficulty. For the hardest of puzzles you must use "The Law of Leftovers" solving method, which is explained in the introduction.In addition, an extra 10 SPECIAL Jigsaw puzzles are included. What they are is a surprise!

Author: Dj Ape
ISBN-10: 1441401121
ISBN-13: 9781441401120
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 12/02/2009
Pages: 96
Format: Paperback
Weight: 0.31lbs
Size: 9.00h x 6.00w x 0.20d