Book 1) Gregor The Overlander (Underland Chronicles
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Scavengers by Steven F. Havill by Books In Motion.com | 978-1-596O7-339-5 (1-596O7-339-X) | 2015 | Steven F. Havill ยท Posadas County Mystery Series |