| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Scribble Scrabble: Ready-In-A-Minute Math Games | 978-0-07-057110-5 (0-07-057110-4) | 1995 | Richard M. Sharp ยท Vicki F. Sharp |
| The Sneaky Square and Other Math Activities for Kids | 978-0-07-057232-4 (0-07-057232-1) | 1995 | Richard M. Sharp |