Books

Hardy Boys 01: The Tower Treasure Hardy Boys 01: The Tower Treasure
1927
The Secret of the Old Mill The Secret of the Old Mill
1927
Hardy Boys 57: The Firebird Rocket Hardy Boys 57: The Firebird Rocket
1978
Hardy Boys 08: The Mystery of Cabin Island Hardy Boys 08: The Mystery of Cabin Island
1929
Hardy Boys 11: While the Clock Ticked Hardy Boys 11: While the Clock Ticked
1932
Hardy Boys 09: The Great Airport Mystery Hardy Boys 09: The Great Airport Mystery
1930

Audiobooks

Secret of the Red Arrow Secret of the Red Arrow
2015
Return to Black Bear Mountain Return to Black Bear Mountain
2020
Stolen Identity Stolen Identity
2018
Mystery on the Mayhem Express Mystery on the Mayhem Express
2021
The Disappearance The Disappearance
2019
A Treacherous Tide A Treacherous Tide
2020