Sudoku Puzzles

Jigsaw Sudoku: 420 Puzzles in 9x9 GridA Great Variation Of Regular Sudoku PuzzleJigsaw Sudoku (also known as Irregular, or Geometric Sudoku) are a variant of regular Sudoku puzzles, but instead of 3x3 blocks, they are divided into irregular jigsaw-like shapes. Each row, column and jigsaw shape must contain all of the digits 1 thru 9.
If you are a beginner in Jigsaw Sudoku Puzzles? Then this book is perfect must have for you. This book will start you off with Easy puzzles gradually increasing in difficulty to Medium; Hard; and then Super Hard.
This Sudoku book is packed with the following features:
420 Jigsaw Sudoku Puzzles4 different levels of difficulty105 easy level puzzles105 medium level puzzles105 hard level puzzles105 super hard level puzzlesHow to play instructionsValue buy, perfect for giftsSuggestion: Google - "The law of leftovers" to learn a technique to solve such Sudoku puzzles.
The Law of Leftovers is a solving technique that operates on Sudoku Variations with irregular regions, such as Jigsaw Sudoku.