Hardy Boys 09: The Great Airport Mystery (The Hardy Boys Book 9)
Hardy Boys 14: The Hidden Harbor Mystery (The Hardy Boys)
Hardy Boys 23: The Melted Coins (The Hardy Boys)
Hardy Boys 29: The Secret of the Lost Tunnel (The Hardy Boys)
Hardy Boys 08: The Mystery of Cabin Island (The Hardy Boys Book 8)
Hardy Boys 15: The Sinister Signpost (The Hardy Boys)
