Linda

Mystery Train (Nancy Drew & Hardy Boys Super Mysteries) (A Nancy Drew & Hardy boys supermystery) by Carolyn Keene

The Flickering Torch Mystery (Hardy Boys, #15) by Franklin W. Dixon

Dangerous Games (Nancy Drew & Hardy Boys Super Mysteries) by Carolyn Keene

Hardy Boys 45: the Mystery of the Spiral Bridge (Hardy Boys (eBook), #45) (Hardy Boys, #45) by

Hardy Boys 47: Mystery of the Whale Tattoo (Hardy Boys (eBook), #47) (The Hardy Boys, #47) by

Hardy Boys 48: the Arctic Patrol Mystery (The Hardy Boys, #48) by

Hardy Boys 32: the Crisscross Shadow (Hardy Boys (eBook), #32) (Hardy Boys, #32) by