This Hard Logic Puzzles book is packed with the following features: - 48 Sudoku Puzzles- 36 Fillomino Puzzles- 48 Battleships Puzzles- 32 Calcudoku Puzzles- 48 Binary Puzzles- 36 Slitherlink Puzzles- 48 Sudoku X Puzzles- 40 Masyu Puzzles- 48 Jigsaw Sudoku Puzzles- 36 Minesweeper ...This Hard Logic Puzzles book is packed with the following features: - 48 Sudoku Puzzles- 36 Fillomino Puzzles- 48 Battleships Puzzles- 32 Calcudoku Puzzles- 48 Binary Puzzles- 36 Slitherlink Puzzles- 48 Sudoku X Puzzles- 40 Masyu Puzzles- 48 Jigsaw Sudoku Puzzles- 36 Minesweeper Puzzles- 48 Suguru Puzzles- 32 Numbrix Puzzles.- Answers to every puzzle are provided.- Each puzzle is guaranteed to have only one solution. Includes free bonus puzzles you can download book (Tons of Sudoku Puzzles for Adults & Seniors) Includes free bonus puzzles you can download book (Word Search With Hidden Message: 102 Puzzles for Adults and Seniors)