S S · S Shafer · Susan S · Susan Schafer
Scholastic · Troll Communications
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 101 Ways To Boost Your Math Skills | 978-0-8167-3836-6 (0-8167-3836-X) | 1999 |
| Writing Effective Report Card Comments | 978-0-590-06882-6 (0-590-06882-2) | 1999 |