Vultures of the Purple Death by Robert J. Hogan
Men without faces, without hearts and without souls—ambassadors of murder incapable of mercy! These were the opponents of the Master Spy—men driven to madness by the blood-lust of Kreuger—the heartless, avenging Vultures of the Purple Death!
- 110 pages
- Frederick Blakeslee cover artist
- ISBN: 1-59798-280-6