Maude Euston, daughter of the president of the Continental Express Company, comes to Craig Kennedy’s laboratory with a worry she half-hates to voice. From a vanished shipment of gold the professor moves on to cases solved with lie detectors, psychoanalysis, poisons, a beauty mask and a love meter, all chronicled by his friend Walter Jameson.
Period scientific detection from the creator of the American Sherlock Holmes, full of then-futuristic gadgets. Download the free EPUB.