- An Almanac of Words at Play
- The American Almanac of Words at Play
- The Beginner's Book of Juggling
- The Illustrated Word Book
- The Joke's On You
- Oh Ranger! A Book of Nature Games and Activities
- The Play of Words
- Puzzles by Espy: Word Puzzles in Four Colors
- Word Buff: A Book of Word games
- Word Mysteries & Puzzles
Contributions:
- The Dictionary of Cultural Literacy (Contributor)