a. D. · C.D. · C.H. · Craig Hatkoff · H.A. · H.D.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Best Friends | 978-0-439-92872-4 (0-439-92872-9) | 2007 | Isabella Hatkoff |
| Owen & Mzee: Language Of Friendship | 978-0-439-89959-8 (0-439-89959-1) | 2007 | " |
| Owen & Mzee: The True Story Of A Remarkable Friendship | 978-0-439-82973-1 (0-439-82973-9) | 2006 | " |