Playgrounds of the Mind

From Author Wars - https://authorwars.com/publications/playgrounds-of-the-mind-26325.html

Overview:

Title: Playgrounds of the Mind
Author: Larry Niven
Year: 1992
ISBN-10: 0812516958
Publisher: Tor
Price: $5.99
Pages: vii+696
Binding: Paperback
Type: Collection
Title Reference: Playgrounds of the Mind
Notes:
• "First mass market printing: July 1992" • Full number line 0987654321. • Cover art is credited to Archer on the copyright page; no visible signature. • The interior illustrations (9) for the essay Bigger Than Worlds are credited to Ellisa Mitchell on the copyright page. • $6.99 in Canada.