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.”   This ebook has been professionally proofread to ensure accuracy and readability on all devices.