
Peter Matthiessen was an American novelist, naturalist, wilderness writer and CIA agent. A co-founder of the literary magazine The Paris Review, he was a 2008 National Book Award winner. He was also a prominent environmental activist. His nonfiction featured nature and travel, notably The Snow Leopard (1978) and American Indian issues and history, such as a detailed and controversial study of the Leonard Peltier case, In the Spirit of Crazy Horse (1983). His fiction was adapted for film: the early story "Travelin' Man" was made into The Young One (1960) by Luis Buñuel and the novel At Play in the Fields of the Lord (1965) into the 1991 film of the same name.

The Birds of Heaven
2001
ISBN 9781550548891
The Snow Leopard
1996
ISBN 9781860461538
A Hunter's Heart: Honest Essays on Blood Sport
1996
ISBN 9780805055306
Shadow Country
2008
ISBN 9781433287664
The Tree Where Man Was Born: The African Experience
1972
ISBN 9780525222651
The Birds of Heaven: Travels with Cranes
2001
ISBN 9780865476578
In the spirit of Crazy Horse
1798
ISBN 9781787300170
Under the Mountain Wall
1900
ISBN 9780099448655