Two onlooking gorillas A gorilla lying on its front in grass with head elevated
Further Reading

Titles

Bonnett Wexo, John. ZOOBOOKS: The Apes. San Diego: Wildlife Education Ltd., 1986.

Godwin, Sara. Gorillas. New York: Mallard Press, 1990.

Shumaker, Robert W., and Benjamin B. Beck. Primates in Question. Washington: Smithsonian Books, 2003.

Simon, Seymour. Gorillas. HarperCollins Publishers Inc., 2000.

Stewart, Kelly. Gorillas Natural History & Conservation. Stillwater: Voyageur Press, 2003.