Series
24 books in this series.
The Yellow Hoard
Paul Ernst
The Sky Walker
Kenneth Robeson
The Devil's Horns
The Frosted Death
The Blood Ring
Stockholders in Death
The Glass Mountain
Tuned For Murder
The Smiling Dogs
River of Ice
The Flame Breathers
Murder On Wheels
Three Gold Crowns
The Hate Master
Nevlo
Death in Slow Motion
Pictures of Death
The Green Killer
The Happy Killers
The Black Death
The Wilder Curse
Dr. Time
The Glass Man
The Avenger #36: Demon Island
