| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| East Africa: A Travel Guide | Hardcover | 978-0-06-012792-3 (0-06-012792-9) | 1976 | Alan Magary |
| East Africa: A Travel Guide | Paperback | 978-0-06-012808-1 (0-06-012808-9) | 1975 | " |
| South of San Francisco: A Guide to the San Mateo Coast, Santa Cruz, Monterey, Carmel, Big Sur and Herst Castle | " | 978-0-06-091035-8 (0-06-091035-6) | 1983 | " |