The mystery at Devil's Paw originally published: New York : Grosset & Dunlap, 1959. - The ghost at Skeleton Rock originally published: New York : Grosset & Dunlap, 1966.
The mystery at Devil's Paw ; The ghost at Skeleton Rock by Franklin W. Dixon. ISBN 0006945139. Published by Armada in 1995. Publication and catalogue information, links to buy online and reader comments.