Return to Tomorrow

From Author Wars - https://authorwars.com/publications/return-to-tomorrow-299568.html

Overview:

Title: Return to Tomorrow
Author: L. Ron Hubbard
Year: 1957
Publisher: Panther
Price: 2/-
Pages: 144
Binding: digest
Type: Novel
Title Reference: Return to Tomorrow
Notes: Stated: This Panther edition was published in 1957.
Cover artist is uncredited. Kirby's signature is clearly visible in the lower left corner.