This Logic Puzzles book is packed with the following features: - 500 Easy to Hard Puzzles & 12 Puzzle Types (Sudoku, Fillomino, Battleships, Calcudoku, Binary Puzzles, Slitherlink, Sudoku X, Masyu, Jigsaw Sudoku, Minesweeper, Suguru, Numbrix). - Answers to every puzzle are provided. - Sorted into three levels of difficulty (Easy, Medium, and Hard). - Each puzzle is guaranteed to have only one solution. We hope you enjoy this book, which would also make a great gift for any puzzle lover.