Frank Hardy is nine, and Joe is eight years old, and theyâre the new kids on the block in Bayport. Searching a spooky old house for a baseball mitt, the boys find a skeleton, a brain, and bloodâcreepy clues to an intriguing mystery!
Frank Hardy is nine, and Joe is eight years old, and theyâre the new kids on the block in Bayport. Searching a spooky old house for a baseball mitt, the boys find a skeleton, a brain, and bloodâcreepy clues to an intriguing mystery!