| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Kleines Nilpferd - große Freundschaft: Eine wahre Freundschaft | 978-3-7941-9119-2 | 2007 | Isabella Hatkoff · Craig Hatkoff | |
| Looking For Miza | 978-0-545-08540-3 | 2008 | Juliana Hatkoff · Isabella Hatkoff · Craig Hatkoff | |
| Owen & Mzee Books | 978-0-545-11182-9 | 2009 | Craig Hatkoff · Isabella Hatkoff | |
| Owen & Mzee: The True Story of a Remarkable Friendship | 978-0-439-82973-1 | 2006 | Isabella Hatkoff · Craig Hatkoff | |
| Owen & Mzee: the true story of a remarkable friendship | 978-0-439-85113-8 | 2006 | told by Isabella Hatkoff · Craig Hatkoff · · photographs by Peter Greste |
and Paula Kahumbu · Dr. Paula Kahumbu · P.K. · Paul Kämpf · Paul Kampf · Paul Kemp · Paul Knapp · Paul Knopff · Paul Komba · Paula Dr Kahumbu · Paule Kempf · Pawel Kempa · Pawel Knap