Hartley begins by detailing Boone's early life in Pennsylvania, where he developed a passion for hunting and the outdoors. The biography follows Boone as he ventures into the uncharted wilderness, exploring the frontier regions of North America. Hartley vividly recounts Boone's experiences in the wilderness, including his encounters with Native American tribes, his exploration of the Kentucky territory, and his role in the settlement of the region. Boone's resilience, resourcefulness, and bravery are emphasized throughout the narrative, portraying him as a quintessential figure of American rugged individualism. The book also delves into Boone's later years, including his struggles with land ownership, his interactions with other prominent figures of the time, and his legacy as a symbol of American exploration. Hartley examines the impact of Boone's adventures on American culture and the mythology surrounding his character, which contributed to his status as a national hero.