The house on the cliff has been vacant and is supposed to be haunted. Then it is reported to be the abode of criminals. Mr. Hardy starts to investigate and disappears, so the boys set to work to see what they can do._______________When Mr. Hardy disappears while investigating a mystery surrounding a vacant house rumored to be either haunted or an abode for criminals, the Hardy Boys search for the truth.______________About the AuthorFranklin W. Dixon was the pseudonym devised by Edward Stratemeyer for the author of a series of mystery books ...
