United States. Federal Bureau of Investigation

Tinker's Dam

Joseph Tinker

That Sweet Little Old Lady

Randall Garrett

The Impossibles

Randall Garrett
Laurence M. Janifer

Occasion for Disaster

Randall Garrett
Laurence M. Janifer

Supermind

Randall Garrett
Laurence M. Janifer

Brain Twister

Randall Garrett
Laurence M. Janifer

Agent Nine and the Jewel Mystery

A Story of Thrilling Exploits of the "G" Men

Graham M. Dean

Out Like a Light

Randall Garrett