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Gritty aptly characterizes Puzo's Mafia novels, capturing their raw, unvarnished depiction of criminal life. These novels delve into the seedy underbelly of organized crime, portraying the harsh realities and moral complexities faced by Mafia members. Puzo's writing style emphasizes authenticity, immersing readers in the gritty details of power struggles, violence, and the inherent darkness that permeates this world.