66 books • 10 series
Book #1: E-Day
Book #1: Extinction Horizon
Book #2: Extinction Edge
Book #3: Extinction Age
Book #4: Extinction Evolution
Book #5: Extinction End
Book #1: Extinction Shadow
Book #2: Extinction Inferno
Book #3: Extinction Ashes
Book #4: Extinction Darkness
Book #1: Hell Divers
Book #2: Hell Divers II: Ghosts
Book #3: Hell Divers III: Deliverance
Book #4: Hell Divers IV: Wolves
Book #5: Hell Divers V: Captives
Book #2: Wild Lands
Book #1: Orbs
Book #2: Orbs II
Book #2: Stranded
Book #3: Orbs III
Book #3: Redemption
Book #1: Snafu
Book #1: Sons of War
Book #2: Saints
Book #3: Sinners
Book #4: Soldiers
Book #1: Trackers
Book #2: Trackers 2: The Hunted
Book #2: Trackers 2
Book #3: Trackers 3: The Storm
Book #3: Trackers 3