The Battle of the Labyrinth
Rick Riordan
Percy Jackson and The Olympians (4)
Oakleaf Bearers
John Flanagan
Ranger's Apprentice (4)
Blood Engines
T.A. Pratt
Marla Mason (1)
Murder by Magic
Maxwell Grant
The Shadow (202)
History of Mathematics, Volume 1
David Eugene Smith
History of Mathematics, Volume 2