The Big Puzzle Book of Area Mazes: 300 Mind-Bending Math Puzzles in Five Challenge Levels

Stretch your brain up, down, and sideways with addictive area mazes!

Introducing a new puzzle obsession for sodoku lovers . . . amazing, absorbing area mazes.

First invented for gifted students, area mazes blend grade-school math with genius logic. Put down that calculator! You can always find "?" using simple, whole numbers, your wits—and a pencil.

Already hooked on area mazes? Venture into the third dimension with 100 3D puzzles, included here for the first time by creator Naoki Inaba.

With 3...