The Mightiest Machine

Overview:

• Title: The Mightiest Machine
• Author: John W. Campbell, Jr.
• Year: 1972
• Catalog ID: #53151
• Publisher: Ace Books
• Price: $0.95
• Pages: 217
• Binding: Paperback
• Type: Novel
• Title Reference: Cover: The Mightiest Machine
• Notes: The front cover and title page credit "John W. Campbell" as the author without the "Jr." title though “Jr.” is mentioned on the copyright page.The front cover has “Ace 53151 95¢” and the spine has “441 53151 095” which can be translated to ISBN 0441531512 / 0-441-53151-2.The copyright page states “Copyright, 1935, by Street & Smith Publications, Inc. / Copyright, 1947, by John W. Campbell, Jr.”.The copyright page states “Second Ace printing: December, 1972” and does not state the date of the first Ace printing.