| title | ISBN-13 | year of publication |
|---|---|---|
| Experiments are Fun | 978-0-19-561081-9 | 1984 |
| How and Why in Science: Junior Bk. 1 | 978-0-19-561068-0 | 1984 |
| How and Why in Science: Junior Bk. 2 | 978-0-19-561415-2 | 1984 |
| How and Why in Science: Senior Bk. 1 | 978-0-19-561082-6 | 1984 |
| How and Why in Science: Senior Bk. 2 | 978-0-19-561337-7 | 1984 |