The latest Japanese puzzle phenomenon reaches international puzzle fans with this massive book. Shinro logic puzzles are very easy to learn, and combine the enjoyable elements of Sudoku and Minesweeper into an irresistible blend that will delight and confound puzzle enthusiasts of all ages. This book contains 616 puzzles ranging from child's play to extreme brain bogglers. If you get stuck, you can review the included strategy guides to help unlock the secrets of Shinro