So Long, and Thanks for All the Fish
Douglas Adams
The Hitchhiker's Guide to the Galaxy (4)
The Blood of Olympus
Rick Riordan
Heroes of Olympus (5)
The Emperor's Soul (Hugo Award Winner - Best Novella)
Brandon Sanderson
And Another Thing...
Eoin Colfer & Douglas Adams
The Hitchhiker's Guide to the Galaxy (6)
Origin
Dan Brown
Robert Langdon (5)