With unprecedented access to Colombia's cocaine cartels, Toby Muse offers a thrilling account of the journey of one kilo of cocaine, from the farmers who produce it to the killers who protect it, to the drug barons and their lovers made fabulously wealthy by it. Piercing this veiled world, Kilo is a gripping portrait of a country struggling to end this deadly trade even as the riches flow. For readers of "Narconomics" and "McMafia".