Earth is under attack. The onslaught came without warning, without reason. Admiral Sara Ramirez and the Earth Orbital Defense Force are all but overwhelmed. Can they pull it together and win this war? And if so, at what cost?

The world is dark and broken after the god-king’s ambition nearly destroyed it. Jak Fuller is an orphan whose love of stories has led him to wander in search of legends. Soon it leads him to the allure of dark magic...

Cora, one of the last Sentinels, remains the last line of defense against an unknown enemy laying siege to her planet. Together with a handful of allies, Cora must find a way to protect the one thing this enemy had come to destroy - the humans.