Barrons Educational Series · Saddleback Educational Publishing
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Monsters | 978-0-7641-1064-1 (0-7641-1064-0) | 1999 | Jonathan Clements |
| Monsters- The Unexplained | 978-1-59905-442-1 (1-59905-442-6) | 2009 | |