Title: Owen and Mzee: The True Story of a Remarkable Friendship, Author: Isabella Hatkoff
Title: Winter's Tail: How One Little Dolphin Learned to Swim Again: How One Little Dolphin Learned to Swim Again, Author: Craig Hatkoff
Title: Leo the Snow Leopard, Author: Craig Hatkoff
Title: Hope for Winter: The True Story of a Remarkable Dolphin Friendship, Author: Craig Hatkoff
Title: Good-bye Tonsils!, Author: Craig Hatkoff
Title: Owen and Mzee: The True Story of a Remarkable Friendship, Author: Craig Hatkoff