3 boys who drive a gold-plated Rolls-Royce find mystery and intrigue in a haunted castle

The Secret of Terror Castle

Children's Books

Robert. Arthur

Mysteries & Detectives

Collins

An old trunk involves the three investigators with dangerous criminals seeking a cache of stolen money.

Alfred Hitchcock and the Three Investigators in The Mystery Of The Talking Skull

Armada

Three young detectives try to solve a mystery involving a gold Indian amulet and a laughing shadow that appears to them in the night.

Mystery of the Laughing Shadow (Alfred Hitchcock Books)

William Arden

The Three Investigators must solve an old man's riddle to uncover a great fortune for their friend, Gus. But they're racing against a sinister bunch of treasure hunters who are also hot on the trail. Who will arrive first at the mysterious Fiery Eye?

Alfred Hitchcock and the Three Investigators in The Mystery of the Fiery Eye

Arthur,Robert

The prince of Varania must find the royal badge of office, a jeweled silver spider, in order to be crowned. There's just one problem--the silver spider has been stolen! It's up to the Three Investigators to find the spider and save the prince from his deadly political enemies!

Mystery of the Silver Spider (Alfred Hitchcock Books)

Alfred Hitchcock and the Three Investigators # 9 The Mystery of the Screaming Clock

Secret of the Crooked Cat (Alfred Hitchcock Books)

Arthur, Robert) Arden, William

Mystery of the Shrinking House (Alfred Hitchcock Books)

Secret of Phantom Lake (Alfred Hitchcock Books)

A police captain offers the Hardy boys advice on basic methods of detection

Hardy Boys Detective Handbook

FRANKLIN W. DIXON

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