When Captain Jim Holden's ice miner stumbles across a derelict, abandoned ship, he uncovers a secret that threatens to throw the entire system into war. Attacked by a stealth ship belonging to the Mars fleet, Holden must find a way to uncover the motives behind the attack, stop a war, and find the truth behind a vast conspiracy that threatens the entire human race.

For generations, the solar system -- Mars, the Moon, the Asteroid Belt -- was humanity's great frontier. Until now. The alien artifact working through its program under the clouds of Venus has appeared in Uranus's orbit, where it has built a massive gate that leads to a starless dark. Jim Holden and the crew of the Rocinante are part of a vast flotilla of scientific and military ships going out to examine the artifact. But behind the scenes, a complex...

Corta Helio, one of the five family corporations that rule the moon, has fallen. Its riches are divided up among its many enemies, its survivors scattered. Eighteen months have passed.

On the aethership's maiden voyage, Seraphin and the Knights of Aether had prepared for everything--except treason. The villainous chamberlain wants to overthrow King Ludwig and claim the electro-aetheric technology for Prussia. The only escape for the king and his companions lies in the frosty skies above Bavaria. The ship's first flight is a success, but their respite is short-lived. As long as the chamberlain is free to spread his lies, these travelers...