The Dueling Machine

From Author Wars - https://authorwars.com/publications/the-dueling-machine-216197.html

Overview:

Title: The Dueling Machine
Author: Ben Bova
Year: 1969
ISBN-10: 0030814928
Publisher: Holt, Rinehart and Winston
Price: $3.97
Pages: 247+[2]
Binding: Hardcover
Type: Novel
Title Reference: The Dueling Machine
Notes:
- Cover artist credited on front flap of dustjacket.
- "First Edition" on copyright page.
- Two states:
  03-081491-X: Trade edition.
  03-381492-8: Holt Library Edition [this listing]
  Bound in red cloth with the two dueling figures embossed on the lower right corner in black.
- Holt library logo and "Holt" [over] "Library Edition" embossed in black on upper left corner of back of book.
- ISBN created by adding "0-" to the SBN on the copyright page.
- Page [249] is "About the Author."
- The $3.97 price is from an Abebooks seller listing.
- {{LCCN|72080312}} (refers to the trade edition ISBN and does not mention the library edition).
- {{OCLC|56459}} (refers to the trade edition ISBN and does not mention the library edition).