- Orangutans: Geographic Variation in Behavioral Ecology and Conservation (Oxford Biology) by Serge A. Wich, S. Suci Utami Atmoko, et all  2010-02-28
 - Orangutan (Heinemann Read and Learn: a Day in the Life: Rain Forest Animals) by Anita Ganeri,  2010-09
 - The Mentalities of Gorillas and Orangutans: Comparative Perspectives 
 - Orangutans (Asian Animals) (Pebble Plus: Asian Animals) by Joanne Mattern,  2010-02-01
 - The great apes;: The natural life of chimpanzees, gorillas, orangutans, and gibbons by Robert Gray,  1969
 - Animal Lives: Orangutans (Qeb Animal Lives) by Teacher Created Resources Staff,  2007-01-23
 - Orang-utan Baby: Blue Level (I Love Reading) by Monica Hughes,  2006-06-15
 - Little Sibu: An Orangutan Tale by Sally Grindley,  1999-03
 - Orangutans (Monkey Discovery Library) by Lynn M. Stone,  1990-10
 - The Red Ape: Orangutans and Human Origins by Jeffrey H. Schwartz,  2005-01-04
 - The Malay Archipelago, the Land of the Orang-Utan and the Bird of Paradise; A Narrative of Travel, With Studies of Man and Nature by Alfred Russel Wallace,  2010-09-05
 - Orangutans: Behavior, Ecology, and Conservation by Junaidi Payne, Cede Prudente,  2008-03-31
 - Orangutan Odyssey by Birute Mary Galdikas,  1999-10-01
 - Orang-utans (QED Animal Lives) by Sally Morgan,  2007-06-01
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