The Original Area Mazes: 100 Addictive Puzzles to Solve with Simple Math—and Clever Logic!Ryoichi Murakami
The Original Area Mazes, Volume 2: 100 More Addictive Puzzles to Solve with Simple Math—and Clever Logic!Ryoichi Murakami
The Big Puzzle Book of Area Mazes: 300 Mind-Bending Math Puzzles in Five Challenge LevelsRyoichi Murakami
