Will, who is now a full-fledged Ranger, must rescue his friend Alyss from a rogue knight and uncover vital information needed to ward off a Scotti invasion.

"Cassie Sullivan, the survivor of an alien invasion, must rescue her young brother from the enemy with help from a boy who may be one of them"--Provided by publisher of original edition.

June and Day make their way to Las Vegas where they join the rebel Patriot group and become involved in an assassination plot against the Elector in hopes of saving the Republic.

When a long-term attack against her world by the alien Krell escalates, Spensa's dream of becoming a pilot may come true, despite her deceased father being labeled a deserter.

"All her life, Spensa has dreamed of becoming a pilot. Of proving she's a hero like her father. She made it to the sky, but the truths she learned about her father were crushing. The rumors of his cowardice are true--he deserted his flight during battle against the Krell. Worse, though, he turned against his team and attacked them. Spensa is sure there's more to the story. And she's sure that whatever happened to her father in his starship could...