The Continuum Trilogy Series by Jennifer Brody

One thousand years after a cataclysmic event leaves humanity on the brink of extinction, the survivors take refuge in continuums designed to sustain the human race until repopulation of Earth becomes possible. Against this backdrop, a group of young friends in the underwater Thirteenth Continuum dream about life outside their totalitarian existence, an idea that has been outlawed for centuries... moreOne thousand years after a cataclysmic event leaves humanity on the brink of extinction, the survivors take refuge in continuums designed to sustain the human race until repopulation of Earth becomes possible. Against this backdrop, a group of young friends in the underwater Thirteenth Continuum dream about life outside their totalitarian existence, an idea that has been outlawed for centuries. When a shocking discovery turns the dream into a reality, they must decide if they will risk their own extinction to experience something no one has for generations, the Surface. less

Reaching the surface was just the beginning.As Myra Jackson and her friends set out to find the First Continuum, Captain Aero Wright and two companions from the outer space Second Continuum find themselves banished for treason and stranded on Earth. Wright has vowed to complete his late father's mission to recolonize their ancestral planet, but his true mission is to find the mysterious girl who haunts his dreams... moreReaching the surface was just the beginning.As Myra Jackson and her friends set out to find the First Continuum, Captain Aero Wright and two companions from the outer space Second Continuum find themselves banished for treason and stranded on Earth. Wright has vowed to complete his late father's mission to recolonize their ancestral planet, but his true mission is to find the mysterious girl who haunts his dreams. Meanwhile, Myra and the young refugees of the underwater Thirteenth Continuum must make an unlikely ally if they are going to survive the hostile surface world and reach their destination, the nexus of humanity's hope for survival. As their paths begin to converge, the Beacons that guide and connect Myra and Aero begin to prove their power, and a shadowy force with a centuries-old grudge reveals itself. less

In the epic conclusion to the award-winning Continuum Trilogy, Aero leads a group insurgents from the Second Continuum to overthrow his rival, Supreme General Vinick, and unite his space colony's military forces while Seeker takes on a secret mission back to her home colony to reinforce Earth's defenses and protect the First Continuum against an even greater threat... moreIn the epic conclusion to the award-winning Continuum Trilogy, Aero leads a group insurgents from the Second Continuum to overthrow his rival, Supreme General Vinick, and unite his space colony's military forces while Seeker takes on a secret mission back to her home colony to reinforce Earth's defenses and protect the First Continuum against an even greater threat. Meanwhile, Myra's nightmares have become a reality as the Dark Thing hurtles toward Earth with designs on eradicating the planet's fledgling populace. The only thing standing in the way are the three Carriers and those who would join them to fight against a second coming of the Doom. less