400 + Variete Sudoku 9x9 Cool Mix

Sit back and enjoy the numbers game. 100 puzzles Sudoku "X" Diagonal - 25 Easy, 25 Medium, 25 Hard and 25 Very hard. 100 puzzles Sudoku central points - 25 Easy, 25 Medium, 25 Hard and 25 Very hard. 100 puzzles Sudoku Hermit - 25 Easy, 25 Medium, 25 Hard and 25 Very hard. 100 puzzles Sudoku Argyll - 25 Easy, 25 Medium, 25 Hard and 25 Very hard. Unique puzzles. + bonus in 250 classics very hard levels Sudoku 9 x 9 (bonus puzzles need to be downloaded and printed). Only 1 verified solution. All answers are at the end of the book. Exclusive puzzles. A great book for free time and studying the mind. I hope you enjoy the book. Best regards, Basford Holmes