Time Tunnel

From Author Wars - https://authorwars.com/publications/time-tunnel-48660.html

Overview:

Title: Time Tunnel
Author: Murray Leinster
Year: 1966
Publisher: Pyramid Books
Price: $0.50
Pages: 140
Binding: Paperback
Type: Novel
Title Reference: Time Tunnel
Notes:
• "Second printing, December 1966"; no number line
• "The Time Tunnel" on the back cover, but no "The" on the cover or on the title page.
• Cover painting is credited to Gaughan on the back cover
• OCLC has a record for the first printing only