The Three Investigators Mysteries: "Green Ghost", "Vanishing Treasure", "Skeleton Island" (Three-in-one)

Name: The Three Investigators Mysteries: "Green Ghost", "Vanishing Treasure", "Skeleton Island" (Three-in-one)
Author: /author/Robert_Arthur%2C_Jr._(Alfred_Hitchcock_and_the_three_investigators_in_The_secret_of_Terror_Castle)

by Robert Arthur, Jr.