The Clue of the Tapping Heels (Nancy Drew Mystery Stories #16) by Carolyn Keene

Writer: Mildred Wirt (1939) Revised By: Harriet Stratemeyer Adams (1969) Nancy and her friends, Bess and George, travel to Berryville to solve the mysterious tapping sounds in the walls at night at Miss Carter's house. Once they reach Miss Carter's place, they find out another mystery is waiting for them:…

The Mystery of the Ivory Charm (Nancy Drew Mystery Stories #13) by Carolyn Keene

Writer: Mildred Wirt (1936). Revised By: Priscilla Baker-Carr (1974). Mr Stanley Strong, an owner of the travelling Bengleton Wild-Animal Show, asks Mr Drew for a consultation about his suspicion of Rai concerning criminal proceedings. Rai is in charge of the elephants in the show. He often mistreats his son Rishi…

The Message in the Hollow Oak (Nancy Drew Mystery Stories #12) by Carolyn Keene

Writer: Mildred Wirt (1935). Revised By: Grace Grote (1972). Aunt Eloise invites Nancy to New York City to meet her detective friend for a mystery case in Illinois. Detective Boyce tells the story of a wounded French missionary in 1680. The French missionary was nursed and regained consciousness only long…