Beyond the Grave
Jude Watson
The 39 Clues (4)
Demigods of Olympus: An Interactive Adventure
Rick Riordan
Camp Half-Blood Chronicles (1)
The Maze of Bones
The 39 Clues (1)
Seven Wonders Complete Collection: Books 1-5 Plus 3 Novellas
Peter Lerangis & Torstein Norstrand
Seven Wonders (0)
The Select
Peter Lerangis
Seven Wonders (0.5)
The Key
Seven Wonders (3.5)
The Promise
Seven Wonders (4.5)
The Sword Thief
The 39 Clues (3)
The Viper's Nest
The 39 Clues (7)
Vespers Rising
Gordon Korman & Peter Lerangis & Rick Riordan & Jude Watson
The 39 Clues (11)
The Black Circle
Patrick Carman
The 39 Clues (5)