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

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)

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

Hardy Boys Detective Handbook

FRANKLIN W. DIXON

The Mystery of the Talking Skull (Alfred Hitchcock Books)

Alfred Hitchcock and the Three Investigators in the Mystery of the Laughing Shadow

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