Hardy boys adventures. 3

Summary/Review: Four exciting adventures take Frank and Joe Hardy across the globe to solve dangerous mysteries! The fate of the world lies in the library? It does when the two sleuthing siblings need to provide security for the children of visiting delegates! What lengths will someone go to make the most explosive radio show of all? Tune in! What happens when the Hardy Boys are split up? Danger looms! And, what is Amelia Earhart doing flying around? The Hardy Boys are on the case!