Breakthrough

From Author Wars - https://authorwars.com/publications/breakthrough-87351.html

Overview:

Title: Breakthrough
Author: Richard Cowper
Year: 1968
Publisher: The Science Fiction Book Club (UK)
Price: 8/-
Pages: 213+[1]
Binding: Hardcover
Type: Novel
Title Reference: Breakthrough
Notes:
• "This Science Fiction Book Club edition was produced in 1968" on copyright page • Month from the SFBC UK site • Book # is on the spine of the book only • Jacket designed by Terry James on front flap, as is the price [Dobson price also listed]