Hachette Book Group USA · HarperCollins
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Hail, Hail, Camp Timberwood | 978-0-316-15291-4 (0-316-15291-9) | 1978 | Ellen Conford |
| Spider in the Sky | 978-0-06-025074-4 (0-06-025074-7) | 1978 | Anne K. Rose · Alice Lee Marriott |