Title: The Invisible Island
Description: While picnicking on Squaw Island, Dink, Josh, and Ruth Rose find a hundred dollar bill, and when they return to explore further they find an entire cave full of money.
Subjects: Fiction, Juvenile Fiction, Mystery, Detective and mystery stories, Islands, Juvenile fiction, Counterfeits and counterfeiting, Mystery and detective stories, Dink Duncan (Fictitious character), Children's fiction, Islands, fiction, Counterfeits and counterfeiting, fiction, Chapter Books, Action & Adventure, Dink Duncan (Fictional character), Mysteries & Detective Stories, Mystery fiction, Reader, JUVENILE FICTION