City Under the Sea / Star Ways

From Author Wars - https://authorwars.com/publications/city-under-the-sea--star-ways-7249.html

Overview:

Title: City Under the Sea / Star Ways
Author: Kenneth Bulmer, Poul Anderson
Year: 1957
Publisher: Ace Books
Price: $0.35
Pages: 175+143
Binding: dos
Type: Omnibus
Title Reference: Star Ways
Notes:
- Cover for City Under the Sea is stated "Complete Novel"
  - Cover artist is uncredited and signature is not visible on cover. ACE Image Library credits Valigursky.
  - City Under the Sea 175 pages
- Cover for Star Ways is stated "Complete & Unabridged"
  - Artists initials on cover "EMSH"(Ed Emshwiller)
  - Star Ways 143 pages
- See here for the Bulmer cover.