Nightworld

From Author Wars - https://authorwars.com/publications/nightworld-24296.html

Overview:

Title: Nightworld
Author: David Bischoff
Year: 1979
ISBN-10: 0345276051
Publisher: Del Rey / Ballantine
Price: $1.75
Pages: 197
Binding: Paperback
Type: Novel
Title Reference: Nightworld
Notes:
"First edition: January 1979" 1st printing, no printer's key. LCCN on the copyright page. Cover artist not credited. Signature block on the art.