G J · G. P. · Gerard J. · J. P.
Amsco School Pubns Inc · Various small imprints
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Mastering Social Studies Skills | 978-1-56765-652-7 (1-56765-652-8) | 2004 |
| The Girl Who Would Be Brave | 978-0-692-02996-1 (0-692-02996-6) | 2014 |