Mountaineers Books · Prentice Hall
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Canada's National Parks a Visitor's Guide | 978-0-13-116468-0 | 1991 |
| Canada's national parks: A visitor's guide | 978-0-13-113937-4 | 1984 |
| Canada's National Parks: a Visitor's Guide | 978-0-13-113977-0 | 1983 |
| The Galapagos Islands: The Essential Handbook for Exploring, Enjoying and Understanding Darwin's Enchanted Islands | 978-0-89886-688-9 | 2000 |