Hoshi Sudoku game. Riddles of brain.: 400+ puzzles easy to medium levels. Holmes presents to your attention a book with proven logical sudoku.(plus 25

Excellent exercise for your brain.200 sudoku puzzles easy levels.200 sudoku puzzles medium levels. + 250 sudokus difficult 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