R. M. · Robert M. · Robert McClellan Jill Heinerth
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ben's Vortex | 978-0-9798789-8-5 (0-9798789-8-5) | 2012 | Robert McClellan Jill Heinerth |
| Sidemount Scuba Diving | 978-0-9798789-6-1 (0-9798789-6-9) | 2012 | Jeff Loflin · Jill Heinerth |