C.R. · C. Robinson · Chuck & Debbie Robinson
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Art of Shelling: A complete guide to finding shells and other beach collectibles at shelling locations from Florida to Maine | 978-0-9647267-5-8 (0-9647267-5-0) | 2008 | Debbie Robinson |
| The Art of Shelling: A Complete Guide to Finding Shells and Other Beach Collectibles at Shelling Locations from Florida to Maine | 978-0-9647267-8-9 (0-9647267-8-5) | 2000 | |
| Treasure For Our Sand Castle | 978-0-9647267-7-2 (0-9647267-7-7) | 1997 | April Wengren · Debbie Robinson |