Cynthia Pratt Nicolson · Pierrot Nicolas
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Discover Space | Hardcover | 978-1-55337-823-5 (1-55337-823-7) | 2005 |
| Discover the Planets | " | 978-1-55337-825-9 (1-55337-825-3) | 2005 |
| Discover the Planets | Paperback | 978-1-55337-826-6 (1-55337-826-1) | 2005 |