The First Wall
Gav Thorpe
The Horus Heresy: Siege of Terra (3)
The Solution
K. A. Applegate
Animorphs (22)
The Battle of the Labyrinth
Rick Riordan
Death Comes as the End
Agatha Christie
All the Weyrs of Pern
Anne McCaffrey
Pern (11)
Harry Potter and the Half-Blood Prince
J. K. Rowling
Harry Potter (6)
Fall of Angels
L. E. Modesitt, Jr.
Airframe
Michael Crichton
Acts of War
Jeff Rovin & Tom Clancy & Steve Pieczenik
Tom Clancy's Op-Centre (4)