Programming in Haskell
Graham Hutton
Attila, My Attila!
Edith Cooper & Katherine Bradley
Halt's Peril
John Flanagan
Ranger's Apprentice (9)
Gödel, Escher, Bach: An Eternal Golden Braid
Douglas R. Hofstadter
The Last Olympian
Rick Riordan
Percy Jackson and The Olympians (5)
The Battle of the Labyrinth
Percy Jackson and The Olympians (4)