John Rhode 
Venner Crime [EPUB ebook] 

The “astute and sharp-spoken” crime-solving professor must find out if a missing man got away with murder (The New York Times).   After some initial suspicion, the death of Ernest Venner’s wealthy uncle was attributed to natural causes—a simple infection. But Dr. Lancelot Priestley and his crime-solving companions find it intriguing, to say the least, that as soon as Venner collected his much-needed inheritance, he vanished into the wind.   Digging into the disappearance, though, will lead Priestley to some dangerous places, in this suspenseful Golden Age mystery featuring the scientifically minded sleuth . . .