599.635 HATl / J : Owen & Mzee : the language of friendship / told by Isabella Hatkoff, Craig Hatkoff, and Paula Kuhumbu ; with photographs by Peter Greste.
c2007
1
599.635 HATt / J : Owen and Mzee : the true story of a remarkable friendship / told by Isabella Hatkoff, Craig Hatkoff, and Paula Kahumbu ; photographs by Peter Greste.
2006
1
599.635 LEA / J : Hippopotamus : habitats, life cycles, food chains, threats / Michael Leach.
599.635 MAYNARD / J : Saving Fiona : the story of the world's most famous baby hippo / Thane Maynard, director of the Cincinnati Zoo & Botanical Garden.
