| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Freshwater Aquarium: Your Happy Healthy Pet | 978-0-7645-8377-3 (0-7645-8377-8) | 2005 | |
| Koi: An Owner's Guide toa Happy Healthy Fish | 978-1-58245-032-2 (1-58245-032-3) | 1999 | |
| The Goldfish: An Owner's Guide to a Happy Healthy Pet | 978-0-87605-398-0 (0-87605-398-3) | 1996 | Carlo DeVito |
G. P. · G S · Gregory S. · Gregory Skomal · P S · Skomal, Gregory PhD
*Howell Book House · Howell Book House · John Wiley & Sons