Robert Silverberg's Worlds of Wonder

From Author Wars - https://authorwars.com/publications/robert-silverbergs-worlds-of-wonder-28318.html

Overview:

Title: Robert Silverberg's Worlds of Wonder
Author: Robert Silverberg
Year: 1989
ISBN-10: 0446390127
Publisher: Warner Books
Price: $12.95
Pages: xiv+352
Binding: Trade Paperback
Type: Anthology
Title Reference: Robert Silverberg's Worlds of Wonder
Notes: Canada $17.50. Number line 10-1, indicating first printing (and states, "First Trade Paperback Printing"). Cover art not credited. Each story is followed by an extensive discussion by the editor.