Best Film Adaptation of a Non-Fiction Source

From harrowing memoirs and riveting investigative journalism to in-depth biographies and true survival tales, film adaptations of non-fiction source material bring real-life stories to vivid life on the big screen. Whether it's a masterful retelling of historical events or a transformative look at human ingenuity, these films invite us to experience truth through cinema. Which film adaptation of a non-fiction book do you think stands out as the best?

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