Before his trip to the stars, before the Rocinante, Amos Burton was confined to a Baltimore where crime paid you or killed you. Unless the authorities got to you first. Set in the hard-scrabble solar system of Leviathan Wakes, Caliban's War, Abaddon's Gate and the upcoming Cibola Burn, The Churn expands the world of James S. A. Corey's acclaimed Expanse series.