The Lost Empire

From Author Wars - https://authorwars.com/books/the-lost-empire-2280114.html

Overview:

Title: The Lost Empire
Author: Bob Byrd
Year: 2008
Type: Novels
Series: Ka-Zar
Number in Series: 3

Variant Titles:

1937. The Lost Empire (Complete Novel)

Editions/Publications:

Unknown. King of Fang and Claw: The Complete Pulp Magazine Adventures (Unknown, Bob Byrd, Altus Press, ISBN-10: 9781440458996, $29.95, 462 pages, Hardcover, Omnibus)