- Girls' Softball: A Complete Guide for Players and Coaches
- Are You Really a Genius?: Timeless Tests for the Irritatingly Intelligent
- Science Puzzlers!: 150 Ready-to-Use Activities to Make Learning Fun, Grades 4-8
- Illustrated Treasury of General Science Activities
- What's Up in Science?: Puzzles and Problem-Solving Activities to Build Science Literacy, Grades 6-10












