Battleground: Code Red

Alpha Force: Hunted: Book 6

Alpha Force: Hostage: Book 3

Alpha Force: Fault Line: Book 8

Alpha Force: Survival: Book 1

Percy Jackson and the Last Olympian (Book 5)

Alpha Force: Blood Money: Book 7

The Mark of Athena (Heroes of Olympus Book 3)

Percy Jackson and the Battle of the Labyrinth (Book 4)

Alpha Force: Untouchable: Book 10

Percy Jackson and the Titan's Curse (Book 3)

The Blood of Olympus (Heroes of Olympus Book 5)

Alpha Force: Rat-Catcher: Book 2