| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Georgia Coast: Waterways and Islands | 978-1-892399-07-6 (1-892399-07-5) | 2001 | Nancy Schwalbe Zydler · Nancy Zydler |
| The Panama Guide: A Complete Guide to Cruising Panama and Transiting the Panama Canal | 978-1-892399-09-0 (1-892399-09-1) | 2019 | Nancy Schwalbe Zydler |