12 books in series

The Avenger

The Avenger is a 12-book series with 12 released primary works first released in 1939 with contributions by Paul Ernst and Kenneth Robeson.

The Yellow Hoard
The Sky Walker
The Devil's Horns
Stockholders in Death
The Glass Mountain
Tuned For Murder
The Smiling Dogs
River of Ice
The Flame Breathers
Murder On Wheels
The Hate Master
Death in Slow Motion
The Glass Man