Synthetic Men of Mars

From Author Wars - https://authorwars.com/publications/synthetic-men-of-mars-286215.html

Overview:

Title: Synthetic Men of Mars
Author: Edgar Rice Burroughs
Year: 1951
Publisher: Methuen
Price: 7/-
Pages: 251
Binding: Hardcover
Type: Novel
Title Reference: Synthetic Men of Mars
Notes: Month of date and cover artist information on this book from The Whole Science Fiction Data Base No.4.
Day of publication from Henry Hardy Heins' A Golden Anniversary Bibliography of Edgar Rice Burroughs.
Heins lists this as the 2nd Methuen printing (listing both the 1941 and 1942 printings as 1st). Presumably that is referring to labeling.