Pyramids
Terry Pratchett
Discworld (7)
The Burning Maze
Rick Riordan
The Trials of Apollo (3)
The Fate of Ten
Pittacus Lore
The Lorien Legacies (6)
The Restaurant at the End of the Universe
Douglas Adams
The Hitchhiker's Guide to the Galaxy (2)
The Mark of Athena
Heroes of Olympus (3)
The Son of Neptune
Heroes of Olympus (2)