| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1968 | 978-0-911518-00-9 | Oral Bullard | Crisis on the Columbia |
| 1974 | 978-0-911518-01-6 | '' | Short trips and trails: The Columbia Gorge |
| 1970 | 978-0-911518-05-4 | Antoinette K. Hatfield | More Remarkable Recipes |
| 1977 | 978-0-911518-07-8 | Elizabeth Horn | Wildflowers One: The Cascades |
| 1974 | 978-0-911518-27-6 | Dick Schwind | West Coast river touring: Rogue River Canyon and south |