Mistaken identity and intrigue abound in this classic mystery tale

In the midst of a high-society masquerade ball, someone pulls off a daring heist. Several gold plates have been stolen, their value estimated at $15,000. Even more shocking is the fact that the crime seems to have been committed by a guest attired as a burglar, the costume complete with a loaded revolver! Hiding in plain sight, the thief escapes with his loot and drives off with his beautiful blond accomplice. What follows is a gripping tale of romance, honor, and mystery featuring the beloved Professor Van Dusen, better known as “the Thinking Machine.”
 
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