City at World's End

From Author Wars - https://authorwars.com/publications/city-at-worlds-end-192321.html

Overview:

Title: City at World's End
Author: Edmond Hamilton
Year: Unknown
Publisher: Crest Books / Fawcett Publications
Price: C$0.50
Pages: 160
Binding: Paperback
Type: Novel
Title Reference: City at World's End
Notes:
• Copyright MCMLI, no other date • Though this Canadian edition has the same catalog# as the first US Crest edition there is no printing date/statement • Price puts the date in the early 60s • The artist is not credited, Powers is on the artwork • Printed in Canada