Rectangular Maze - Book 4

Rectangular Maze - Book 1

Circular Maze - Book 3

Minecraft Idea a Day: Packed with Hundreds of Ideas to Inspire You!

Rectangular Maze - Book 6

Circular Maze - Book 4

Rectangular Maze - Book 9

Math Games, Grades 5 - 6

Rectangular Maze - Book 2

Circular (triangular lattice) maze - Book 2

The Everything Kids' Hidden Pictures Book: Hours Of Challenging Fun!

Circular Maze - Book 2

The Everything Kids' Giant Book of Jokes, Riddles, and Brain Teasers

100 Rectangular Mazes (with solutions) - Book 5

Codes: How to Make Them and Break Them!

100 Rectangular Mazes (with solutions) - Book 4

Doublets - A Word-Puzzle

Circular (triangular - lattice) maze - Book 5

Circular (triangular - lattice ) maze - Book 3