The Casebook of Dr. Holton

From Author Wars - https://authorwars.com/books/the-casebook-of-dr-holton-2544433.html

Overview:

Title: The Casebook of Dr. Holton
Author: Ray Kursar
Year: Unknown
Type: Cover Art

Variant Titles:

1978. The Casebook of Dr. Holton: The Gilded Sarcophagus and The Cup of Thanatos