World of Ptavvs

From Author Wars - https://authorwars.com/publications/world-of-ptavvs-248448.html

Overview:

Title: World of Ptavvs
Author: Larry Niven
Year: 1979
ISBN-10: 0345286197
Publisher: Del Rey / Ballantine
Price: $1.95
Pages: 188
Binding: Paperback
Type: Novel
Title Reference: World of Ptavvs
Notes:
• "First Ballantine Books Edition: August 1966"
• "Seventh Printing: July 1979"; no number line
• Also notes the first two CDN printings: September, 1966; August, 1971
• "Cover art by Rick Sternbach" on copyright page, no visible signature on the artwork
• Printed in the US
• OCLC has no record for the ISBN or printing