The Bite of Monsters

From Author Wars - https://authorwars.com/publications/the-bite-of-monsters-840255.html

Overview:

Title: The Bite of Monsters
Author: Dennis O'Neil
Year: Unknown
Publisher: Unibook / Modern Promotions
Price: $0.95
Pages: 156
Binding: Paperback
Type: Novel
Title Reference: The Bite of Monsters
Notes:
- "Copyright © MCMLXXI by Dennis O'Neal"
- No other dates of any kind anywhere
- "Never Before Published" on back cover
- No identifying number
- "A UNIBOOK" on front cover
- "A Belmont Science Fiction Original" on front cover
- Artist uncredited and no signature visible