Empire of Blood

From Author Wars - https://authorwars.com/publications/empire-of-blood-264189.html

Overview:

Title: Empire of Blood
Author: Jeffrey Lord
Year: 1977
ISBN-10: 0523400187
Publisher: Pinnacle Books
Price: $1.25
Pages: 196
Binding: Paperback
Type: Novel
Title Reference: Empire of Blood
Notes:
- First Printing March 1977. [This Publication Record].
- No printing number line in book.
- Copyright page states "An original Pinnacle Books edition, published for the first time anywhere."
- Copyright © 1977 by Lyle Kenyon Engel.
- Cover illustration by Ken Kelly. Signature "C.W.Celly" at bottom left front cover.
- Produced by Lyle Kenyon Engel.
- 40-018 on right top front cover.
- White 23 on right center cover.
- ISBN misprinted with dashes in wrong places on the copyright page. ISBN 0-523-40-018-1 even without dashes gives bad checksum. Recomputing the checksum gives an ISBN that matches other sources (Google web search). It seems reasonable that '1' was a typo for a '7'.