Hollow Earth
From Author Wars - https://authorwars.com/publications/hollow-earth-417753.html
Overview:
- Title: Hollow Earth
- Author: John Barrowman, Carole E. Barrowman
- Year: 2013
- ISBN-10: 9781442458536
- Publisher: Aladdin
- Price: $6.99
- Pages: 382+[34]
- Binding: Trade Paperback
- Type: Novel
- Title Reference: Hollow Earth
- Notes: Cover art not signed, credited on back cover