The objective of Jigsaw Sudoku ("Geometry Sudoku", "Geometry Number Place", "Irregular Sudoku", "Kikagaku Nanpure") is to fill every row, column and sub-region with numbers 1-9 and each row, column, and sub-region must have each number exactly once.
This Jigsaw Sudoku book is packed with the following features:
Jigsaw Sudoku Puzzle Book is a collection of 500 Jigsaw sudoku puzzles. Part of the popular "Brain Games for Adults" series, the book is designed to help keep your brain cognitively fit, flexible, and young.
Jigsaw Sudoku Puzzle Book are sorted into three levels of difficulty (easy, medium and hard).