The Mystery of the Singing Serpent
M.V. Carey
The three investigators become involved in witchcraft when they try to rescue a woman from the influence of snake worshippers.

by Michael Hardwick (1987)
A badly mauled tramp and the footprints of a giant hound; the theft of Oliver Cromwell's bones a sinister murder on the channel ferry; an illustrious personage who fears blackmail....It is up to Sherlock Holmes and his brilliant powers of deduction to uncover the pattern connecting these bizzare events.
M.V. Carey
The three investigators become involved in witchcraft when they try to rescue a woman from the influence of snake worshippers.
created by Gertrude Chandler Warner
When the Alden children go camping on Blizzard Mountain, a place said to be inhabited by a ghost looking for buried treasure, they begin to think someone or something is trying to scare them off.
[by] Christopher Pike
Melanie was the new girl in town, a little lonely, a little bored. Then she auditioned for the school play and won the starring role. Suddenly she had a whole gang of exciting friends. But these friends shared something that Melanie did not know, something from the past. Something so terrible that none of them would ever talk about it. Until after the play's opening night. When the police came for the body, and for Melanie...
E.W. Hildick
The members of the Ghost Squad determine to keep the evil Dr. Purcell from succeeding in his plan to have his ghostly accomplices take over the temporarily vacated bodies of living beings.