Interface

From Author Wars - https://authorwars.com/publications/interface-197829.html

Overview:

Title: Interface
Author: Mark Adlard
Year: 1977
ISBN-10: 044137090X
Publisher: Ace Books
Price: $1.50
Pages: 218
Binding: Paperback
Type: Novel
Title Reference: Interface
Notes:
"First Ace Printing: August 1977"; no number line "Cover art by Paul Alexander" on copyright page, the artwork is also signed