The Secret of Skeleton Island

The Secret of Skeleton Island
Author: Robert Arthur
Publisher:
Total Pages: 152
Release: 1998
Genre:
ISBN:

The Three Investigators are assisted by a Greek youth as they search for clues to a mysterious thief on an island once inhabited by pirates.

The Mystery of the Vanishing Treasure

The Mystery of the Vanishing Treasure
Author: Robert Arthur
Publisher: Random House Books for Young Readers
Total Pages: 159
Release: 1966-06
Genre: Detective and mystery stories
ISBN: 9780394915500

The adventures of 3 young investigators as they become involved with robbers, gnomes, and slave traders

The Mystery of the Green Ghost

The Mystery of the Green Ghost
Author: Robert Arthur
Publisher: Random House Books for Young Readers
Total Pages: 0
Release: 1998
Genre: Children's stories
ISBN: 9780394864044

A green ghost oozes through the walls of a crumbling old mansion, leading The Three Investigators to an open coffin and a grinning skeleton wearing a string of priceless Chinese Ghost Pearls. When the ghost disappears--along with the pearls--the sleuths are off on their strangest case ever!

The Mystery of the Whispering Mummy

The Mystery of the Whispering Mummy
Author: Robert Arthur
Publisher:
Total Pages: 185
Release: 1965
Genre: Detective and mystery stories
ISBN:

A case involving an Egyptian mummy which whispers, but only to one man.

The Mystery of the Talking Skull

The Mystery of the Talking Skull
Author: Robert Arthur
Publisher: Random House Books for Young Readers
Total Pages: 0
Release: 1992
Genre: Alfred Hitchcock mystery series
ISBN: 9780679832607

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