The Churn The Expanse Series, Book 3.5.

A novella set in the hard-scrabble world of James S. A. Corey's NYT -bestselling Expanse series, The Churn takes the bestselling sci-fi series to the dark world of organized crime, drugs, secrets, and murder that shaped the Rocinante's mechanic, Amos. Now a Prime Original series. Before his trip to the stars, before the Rocinante , Timmy was confined to a Baltimore where crime paid you or killed you. Unless the authorities got to you first...