Beyond the Barrier

From Author Wars - https://authorwars.com/publications/beyond-the-barrier-265920.html

Overview:

Title: Beyond the Barrier
Author: Damon Knight
Year: 1964
Publisher: Doubleday / SFBC
Price: $1.20
Pages: 188
Binding: Hardcover
Type: Novel
Title Reference: Beyond the Barrier
Notes:
• First printing has gutter code "E48" [verified] on page 188, indicates a printing in late November 1963. • "A shorter version of this novel was published in The Magazine of Fantasy and Science Fiction under the title The Tree of Time." From the copyright page. • Jacket design is credited to Chibbaro on the rear flap • This book club printing may have appeared simultaneously with the trade edition, which Currey and Reginald1 both date as 1964 (no month given.) Tuck dates the trade edition as 1963. Also could be the trade edition offered at a discount to members.