The Floating Continent

From Author Wars - https://authorwars.com/publications/the-floating-continent-231065.html

Overview:

Title: The Floating Continent
Author: L. Sprague de Camp
Year: 1966
Publisher: Compact Books
Price: 3/6
Pages: 158
Binding: Paperback
Type: Novel
Title Reference: The Floating Continent
Notes:
- "This is the first half, slightly expanded, of the story The Hand of Zei" on copyright page
- No statement of printing, no number line
- Artist not credited but signature "K. Roberts 66" is visible. Probably Keith Roberts as the period and the country are coherent with his other work as listed in Weinberg (and stylistically close with known drawings).