First edition 1st printing, Fine minus, unread book with slight crimps to spine ends, in a Fine minus dust jacket with just a touch of edge and corner wear.
The first Satterthwait mystery to feature Pinkerton detectives Phil Beaumont and Jane Turner.
Mystery and murder at an English country manor.
Arthur Conan Doyle and Harry Houdini try to solve a locked room mystery, as other guests fall victim to the murderer.
This copy signed by the late Sattherwait on the title page.