- Orangutans (Amazing Animals) by Michael De Medeiros, 2008-08
- The Red Ape: Orang-Utans and Human Origins by Jeffrey H. Schwartz, 1987-01
- Bo the orangutan (Zoo babies) by Georgeanne Irvine, 1983
- The Orangutan (Endangered and Threatened Animals) by Lisa Harkrader, 2005-06
- The Apes: The Gorilla, Chimpanzee, Orangutan, and Gibbon-Their History and Their World by Vernon Reynolds,
- The Orangutan (Wildlife, Habits & Habitat) by Carl R. Green, William R. Sanford, 1987-09
- Orangutan: 2 (Help Save Us) by Lynne Cherry, 1987-09-01
- Why Why Why Are Orang-utans So Hairy? by Camilla de la Bedoyere, 2008-06-25
- Our Vanishing Relative: The Status of Wild Orangutans at the Close of the Twentieth Century by H.D. Rijksen, E. Meijaard, 1999-06-30
- Orangutan Language (US) (Footprint Reading Library: Level 4) by Rob Waring, 2008-11-14
- Orangutans (Amazing Animals) by Susan Kueffner, 2009-01
- Borges and the Eternal Orang-Utans by Luis Fernando Verissimo, 2004-06-10
- Orangutans in Peril: Asia's only species of great ape faces an uncertain future.(Around the World): An article from: Science World by Jacqueline Adams, 2007-02-05
- Orangutans: And Their Battle for Survival by Leif Cocks, 2003-03
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