The Three Investigators

12 primary works • 13 total works

Htchck Mys Grn Ghst-Pa

by Robert Arthur and Alfred Hitchcock

Published 12 September 1979

The Mystery of the Vanishing Treasure

by Robert Arthur

Published October 1968

The three investigators take on two mysteries: the disappearance of an ancient jeweled Japanese belt from a museum exhibit and the strange antics of a group of gnomes around an elderly woman's house.

Myst Vanish Treas-Htck

by Robert Arthur and Alfred Hitchcock

Published 12 April 1980

Myst of Moaning Cave

by William Arden

Published 12 September 1985

While vacationing on a California ranch, three boys decide to investigate strange wails that come from a mysterious cave where a famous outlaw disappeared.

The Mystery of the Talking Skull

by Robert Arthur

Published September 1970

The Secret of the Crooked Cate

by William Arden

Published 1 August 1970

Mystery of the Dead Man's Ridd

by Alfred Hitchcock, William Arden, and Robert Arthur

Published 11 April 1992

Mystery of the Invisible Dog

by M.V. Carey, Mary V Carey, and Robert Arthur

Published 18 October 1976

Alfred Hitchcock and the Three Investigators in the Mystery of the Dancing Devil

by William Arden

Published 13 May 1985

Mystery of the Dancing Devil

by William Arden and Robert Arthur

Published June 1977

Htchk Mys Dancng Devil

by William Arden and Alfred Hitchcock

Published 12 September 1976

Myst Headles Horse-Hch

by William Arden and Alfred Hitchcock

Published 12 August 1981

The Three Investigators in the Mystery of the Blazing Cliffs

by M.V. Carey

Published 1 January 1981