R. S. · R. Schumann · Roger S.
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Basic Essentials® Sea Kayaking | 978-0-7627-3832-8 | 2005 | J. Michael Wyatt |
| Guide to Sea Kayaking in Central and Northern California: The Best Day Trips and Tours from the Lost Coast to Morro Bay | 978-0-7627-0382-1 | 1999 | Jan Shriner |
| Sea Kayak Rescue | 978-0-7627-0745-4 | 2001 | " |
| Sea Kayak Rescue: The Definitive Guide To Modern Reentry And Recovery Techniques | 978-0-7627-4328-5 | 2007 | " |