Subspace Explorers

From Author Wars - https://authorwars.com/publications/subspace-explorers-500977.html

Overview:

Title: Subspace Explorers
Author: E. E. 'Doc' Smith
Year: 1975
ISBN-10: 0586041532
Publisher: Panther
Price: £0.50
Pages: 237
Binding: Paperback
Type: Novel
Title Reference: Subspace Explorers
Notes:
• "First published in Great Britain in 1975"
• Month from amazon.uk
• Printing not stated, no number line; first known Panther edition
• "Cover illustration by Chris Foss" on back cover, the artwork also has his initial
• Interior art piece is not credited, has the initials RGK
• UK 50p, Canada $1.95, Australia $1.50, New Zealand $1.50