Title: Watch the Skies (Daniel X Series #2), Author: James Patterson
Title: Demons and Druids (Daniel X Series #3), Author: James Patterson
Title: The Dangerous Days of Daniel X (Daniel X Series #1), Author: James Patterson
Title: Lights Out (Daniel X Series #6), Author: James Patterson
Title: Armageddon (Daniel X Series #5), Author: James Patterson
Title: Game Over (Daniel X Series #4), Author: James Patterson