Other Worlds

From Author Wars - https://authorwars.com/books/other-worlds-1844589.html

Overview:

Title: Other Worlds
Author: Carl Sagan
Year: 1975
Type: Non-fiction

Editions/Publications:

Unknown. Other Worlds (Unknown, Carl Sagan, Bantam Books, ISBN-10: 0553064398, $1.95, 159+[1] pages, Paperback, Non-fiction)