- The Great Book of Mazes : 200 Mazes for Adults - Hours of Fun, Stress Relief and Relaxation
- Awesome Trivia For Kids: 300 Super Fun, Challenging and Totally Awesome Trivia Questions
- Maze Puzzles for Adults: 65 Confusing, Hard, Insane and You-Are-Not-Ready-For Puzzles for Adults and Outstanding Teens
- The Great Book of Word Search: 150 Entertaining Themed Word-searches, Large Print Word Search for Teens and Adults
- Challenging Mazes for Kids 8-12: Maze Activity Book for Kids - Great for improving Persistence and Problem Solving Skills






