Craig Kennedy, Scientific Detective Series

Professor Craig Kennedy is a scientific detective similar to Sherlock Holmes or Dr. Thorndyke, using his knowledge of chemistry and psychoanalysis to solve mysteries; exotic devices such as lie detectors, gyroscopes, and portable seismographs are his stock in trade.

1 - The Silent Bullet
2 - The Poisoned Pen
3 - The Dream Doctor
4 - The War Terror
5 - The Social Gangster
6 - The Treasure-Train
7 - The Ear in the Wall
8 - The Gold of the Gods
9 - The Exploits of Elaine
10 - The Romance of Elaine - A Detective Novel
11 - Guy Garrick - A New Detective Novel
12 - Constance Dunlap - Woman Detective