Star 400+ Sudoku.

Excellent fitness for your brain. 100 Easy levels sudoku puzzles. 100 Medium levels sudoku puzzles. 100 Hard levels sudoku puzzles. 100 Very hard sudoku puzzles. + 250 sudokus extreme level that can be downloaded and printed.+ 250 maze puzzles that can be downloaded and printed.Unique puzzles.All sudoku tested and rechecked. 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