17 books • 1 series
Book #1: 200 Sikaku Puzzles - Mind Twisters - Moderate Difficulty - Solutions Included - Volume 1
Book #1: 200 Sudoku Puzzles - Mind Twisters - Moderate Difficulty - Solution Included - Volume 1
Book #1: Mind Twister - 200 Fillomino Puzzles - Large Print Moderate Volume 1
Book #1: Brain Training Puzzles - Akari, Domino, Fillomino, Sudoku, Sikaku, Gokigen - Volume 1
Book #1: 200 Akari Puzzles - Mind Twisters - Moderate Difficulty - Volume 1
