Caliban's War The Expanse Series, Book 2.

The second book in the NYT bestselling Expanse series, Caliban's War shows a solar system on the brink of war, and the only hope of peace rests on James Holden and the crew of the Rocinante's shoulders. Now a Prime Original series. We are not alone. On Ganymede, breadbasket of the outer planets, a Martian marine watches as her platoon is slaughtered by a monstrous supersoldier. On Earth, a high-level politician struggles to prevent inte...