Cal

From Author Wars - https://authorwars.com/publications/cal-388489.html

Overview:

Title: Cal
Author: Isaac Asimov
Year: 1990
ISBN-10:
Publisher: Doubleday
Price: $0.00
Pages: 30
Binding: Pamphlet
Type: Chapter Book
Title Reference: Cal
Notes: Doubleday had a re-issue series going at the time called the "Isaac Asimov Collection" which accepted subscribers to all of the Doubleday Asimov books that were being re-issued at the time. Subscribers to the series received this pamphlet with a new story as a thank you. There was no ISBN or LCCN.