Hollow Earth

From Author Wars - https://authorwars.com/publications/hollow-earth-69832.html

Overview:

Title: Hollow Earth
Author: David Standish
Year: 2006
ISBN-10: 0306813734
Publisher: Da Capo Press
Price: $24.95
Pages: 303
Binding: Hardcover
Type: Non-fiction
Title Reference: Hollow Earth
Notes: Data from Locus1 Month from Amazon.UK "Cover illustration from The Goddess of Atbatabar by William R. Bradshaw". This means that the illustration is taken from the novel's publication. Actual illustrator isn't credited.