400 real Sudoku from easy to expert.

The numbers are waiting for you. Prepare and sharpen the pencil. 100 Sudoku puzzles easy (Light levels). 100 Sudoku puzzles medium (Middle levels). 100 Sudoku puzzles hard (Heavy levels). 100 Sudoku puzzles very hard (Expert levels). + 250 Sudoku difficult level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. Unique puzzles. 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