
Theodore Roosevelt
2002
ISBN 9780766050082
Incident at Eagle Ranch
1980
ISBN 9780816512072
Preserving the Pascagoula
1980
ISBN 9781578064663
SC-ADV ALONG GULF MEXICO (Sierra Club Adventure Travel Guides)
1986
ISBN 9780871567567
The Temple of the Jaguar
1993
ISBN 9780871566515
A handmade wilderness
1996
ISBN 9781299900486
The Gopher Tortoise (Endangered and Threatened Animals)
2003
ISBN 9780766050532