Mayday Orbit / No Man's World

From Author Wars - https://authorwars.com/publications/mayday-orbit--no-mans-world-21747.html

Overview:

Title: Mayday Orbit / No Man's World
Author: Poul Anderson, Kenneth Bulmer
Year: 1961
Publisher: Ace Books
Price: $0.40
Pages: 126+128
Binding: dos
Type: Omnibus
Title Reference: No Man's World
Notes:
- Cover for Mayday Orbit has "Complete Novel"
  - Cover artist is uncredited and signature is not visible on the artwork. ACE Image Library credits Valigursky.
  - Mayday Orbit 126 pages
- Cover for No Man's World has "First Book Publication"
  - Artist's initials on the artwork "EMSH" (Ed Emshwiller)
  - No Man's World 128 pages