"The Cartel" is a novel by Don Winslow that explores the complex world of drug trafficking in Mexico and the United States. It follows the rise and fall of powerful drug lords, particularly focusing on the infamous Sinaloa Cartel and its rivalries. The story highlights the violence, corruption, and moral dilemmas faced by those involved in the drug trade. The book is a sequel to Winslow's earlier work, The Power of the Dog, and is known for its gritty realism and detailed portrayal of the drug war. It delves into the lives of law enforcement, politicians, and ordinary people affected by the ongoing conflict, providing a comprehensive view of the consequences of the drug trade.