Red Twilight / World's End

From Author Wars - https://authorwars.com/publications/red-twilight--worlds-end-439309.html

Overview:

Title: Red Twilight / World's End
Author: Harl Vincent, Victor Rousseau
Year: 1991
ISBN-10: 1557422168
Publisher: Starmont House
Price: $20.95
Pages: vi+123
Binding: Hardcover
Type: Omnibus
Title Reference: Red Twilight / World's End
Notes: Two novels originally published in Argosy. Red Twilight was published in 3 parts on Sept. 12, 19, and 26, 1931. World's End was published in 3 parts on July 8, 15, and 22, 1933. Data from Worldcat and cover scan