W R. · W.W. · William R. · William W.
| title | ISBN-13 | year of publication |
|---|---|---|
| Be a Kid Physicist | 978-0-07-073398-5 | 1993 |
| Bouncing Eggs: Amazing Science Activities You Can Do at Home | 978-0-07-134383-1 | 1999 |
| Genetics Problem Solving Guide | 978-0-07-115619-6 | 1994 |
| Genetics Problem Solving Guide | 978-0-697-13739-5 | 1994 |
| Genetics problem solving guide | 978-0-697-13045-7 | 1992 |
| Homemade Slime and Rubber Bones!: Awesome Science Activities | 978-0-07-073400-5 | 1993 |