Rich Landers: Paddling Washington: 100 Flatwater and Whitewater Routes in Washington State and Inland Northwest
Betty Pratt-Johnson: 151 Dives in the Protected Waters of Washington State And British Columbia
Michael Ferguson: GPS Waypoints: Washington
Elbert S. Maloney: Chapman Piloting & Seamanship 65th Edition (Chapman Piloting, Seamanship and Small Boat Handling)