As a world-ending war surges to life around them, Todd and Viola face monstrous decisions, questioning all they have ever known as they try to step back from the darkness and find the best way to achieve peace.

Alek and Deryn are on the last leg of their round-the-world quest to end World War I, reclaim Alek's throne as prince of Austria, and finally fall in love. The first two objectives are complicated by the fact that their ship, the Leviathan, continues to detour farther away from the heart of the war (and crown). And the love thing would be a lot easier if Alek knew Deryn was a girl.

Cut off from home and all communications following the murders of members of her immediate family, ship captain Kylara Vatta struggles to discover who is behind these vicious attacks and who is determined to destroy her family and its wealth.

The authority of the Syndicate Worlds' government is crumbling. Civil war and rebellion are breaking out in many star systems despite the Syndic government's brutal attempts to suppress disorder. Midway is one of those star systems, and leaders there must decide whether to remain loyal to the old order or fight for something new.

"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.

Posleen invaders have destroyed human civilization, except for a few small areas throughout the former United States, and as the invaders become more determined to destroy the remaining groups, one small clan is plotting revenge.

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.

In a dark future, when North America has split into two warring nations, fifteen-year-olds Day, a famous criminal, and prodigy June, the brilliant soldier hired to capture him, discover that they have a common enemy.

The theocratic military alliance known as the Covenant has collapsed after a long, brutal war with humanity that saw billions slaughtered on Earth and its colonies. For the first time in thirty years, however, peace finally seems possible. But though the fighting has stopped, the war is far from over: it's just gone underground. The United Nations Space Command's feared and secretive Office of Naval Intelligence recruits Kilo-Five--a clandestine team...

The second installment in the Saga of the Seven Suns finds the humans of the Terran Hanseatic Federation of Earth under attack by the hydrogues who are seeking retaliation against the Terrans for their unwitting destruction of a hydrogue planet.