The Sorcerer in the North
John Flanagan
Ranger's Apprentice (5)
The Abduction
J. Robert King
Double Diamond Triangle Saga (1)
The Shattered Land
Keith Baker
The Dreaming Dark (2)
The Rise of the Wyrm Lord
Wayne Thomas Batson
The Door Within (2)
The Great Airport Mystery
Franklin W. Dixon
Hardy Boys Original (9)
The Secret Warning
Hardy Boys Original (17)
The Viking Symbol Mystery
Hardy Boys Original (42)
The Wailing Siren Mystery
Hardy Boys Original (30)
Three-Ring Terror
Hardy Boys Original (111)
Tower Treasure
Hardy Boys Original (1)