In solving the mystery of two medallions missing from an inherited curio collection, the Hardys wind up in a desolate area of Guatemala at the mercy of dangerou

Nancy must figure out the connection between a mysterious diary and a suspicious house fire.

Fantasy. Trenton and Kallista - along with their friends - fly their mechanical dragons south toward San Francisco, looking to rescue any survivors from the bat

Together in this one book are two of the Hardy Boys’ oldest mysteries that began the classic mystery series of the sleuthing siblings. In The Tower Treasure,

Frank and Joe Hardy become involved in a case affecting national security when Joe dials a wrong telephone number and gets the Pentagon. Two words— “Bombay