Sierra Club Books · Swallow Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Sierra Club Naturalist's Guide to the North Woods of Michigan, Wisconsin, and Minnesota | 978-0-87156-277-7 (0-87156-277-4) | 1981 |
| Dune Country: A Hiker's Guide To The Indiana Dunes | 978-0-8040-0854-9 (0-8040-0854-X) | 1984 |