So Long, and Thanks for All the Fish
Douglas Adams
The Hitchhiker's Guide to the Galaxy (4)
The Last Olympian
Rick Riordan
Percy Jackson and the Olympians (5)
Firefight
Brandon Sanderson
The Reckoners (2)
Wyrd Sisters
Terry Pratchett
Discworld (6)
Angels & Demons
Dan Brown
Robert Langdon (1)