| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Amazing Space: A Book of Answers for Kids | 978-0-471-14498-4 (0-471-14498-3) | 1997 | The New York Public Library |
| Incredible Earth: A Book of Answers for Kids | 978-0-471-14497-7 (0-471-14497-5) | 1996 | The New York Public Library · Ronald Rood |