A N · D.A. · Douglass North
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Washington Whitewater 1: A Guide to Seventeen of Washington's Most Popular Whitewater Rivers | 978-0-89886-158-7 (0-89886-158-6) | 1988 |
| Washington Whitewater: The 34 Best Whitewater Rivers | 978-0-89886-327-7 (0-89886-327-9) | 1999 |