66 books • 16 series
Book #1: Below Us
Book #2: Before Us
Book #3: After Us
Book #1: Confrontation
Book #3: Culmination
Book #5: Lineage
Book #1: Lost Contact
Book #2: Lost Time
Book #3: Lost Hope
Book #2: First Contact
Book #1: Final Days
Book #2: Colony
Book #3: Escape
Book #1: From Beyond
Book #3: Survival
Book #1: The Other Place
Book #2: The Hidden Space
Book #3: The Secret Base
Book #1: Taken
Book #2: Shelter
Book #2: Return to Red Creek
Book #1: Rift
Book #3: Return
Book #1: Occupation
Book #2: Salvation
Book #3: Reclamation
Book #1: First Life
Book #2: Second Chance
Book #4: The Realms
Book #1: Space Race
Book #2: Space Battle
Book #3: Space Strike
Book #1: The Event
Book #3: New World
Book #5: The Theos
Book #7: New Alliance
Book #8: The Gatekeepers
Book #1: Echoes From the Moon
Book #2: Shadows of the Earth
Book #1: Dark Invasion
Book #2: Dark City
Book #3: Dark World