Doorways in the Sand

From Author Wars - https://authorwars.com/publications/doorways-in-the-sand-172431.html

Overview:

Title: Doorways in the Sand
Author: Roger Zelazny
Year: 1977
ISBN-10: 0380009498
Publisher: Avon
Price: $1.50
Pages: 189
Binding: Paperback
Type: Novel
Title Reference: Doorways in the Sand
Notes:
"Copyright © 1976 by Roger Zelazny" "Published by arrangement with Harper & Row, Publisherss, Inc." Stated 1st printing of 1977 Avon ed. There are two numbers on the spine, the ISBN and #380•32086•150. The artist is not credited, the artwork is clearly signed. "Library of Congress Catalog Card Number: 74-20423" on the copyright page; this refers to the 1976 Harper & Row hardcover edition "This work was originally published serially in Analog Science Fiction/Science Fact"