The Unexpected

From Author Wars - https://authorwars.com/publications/the-unexpected-49072.html

Overview:

Title: The Unexpected
Author: Leo Margulies
Year: 1961
Publisher: Pyramid Books
Price: $0.35
Pages: 160
Binding: Paperback
Type: Anthology
Title Reference: The Unexpected
Notes:
• "First printing: February 1961"; no number line • Cover painting is credited to Schoenherr on the back cover • Printed in the US