some of my favorites -

At the Devil's Table: The Untold Story of the Insider Who Brought Down the Cali Cartel

Kings of Cocaine: Inside the Medellín Cartel - An Astonishing True Story of Murder, Money and International Corruption

American Desperado: My Life--From Mafia Soldier to Cocaine Cowboy to Secret Government Asset

The Mastermind: Drugs. Empire. Murder. Betrayal

Narconomics: How to Run a Drug Cartel

Roberto Escobar - The Accountant's Story: Inside the Violent World of the Medellín Cartel

American Kingpin: The Epic Hunt for the Criminal Mastermind Behind the Silk Road

also a few hours deep into Shaun Atwoods The War on Drugs and thoroughly enjoying so far