The "Crime" category of books typically includes stories that revolve around criminal activities, investigations, and the pursuit of justice. These books may feature detectives, police officers, or other law enforcement officials as main characters, as well as criminals and their victims. Crime novels often involve suspenseful plot twists and turns, as well as complex character development. The genre can encompass a wide range of subgenres, including mystery, thriller, and true crime, and may explore themes such as morality, ethics, and the human condition. Overall, the "Crime" category offers readers a thrilling and engaging look into the darker side of human nature and the justice system.

Frontier and pioneer life is a category of books that focuses on the experiences of individuals and communities who lived on the edge of civilization during the expansion of the United States in the 19th century. These books typically explore the challenges and triumphs of settlers as they established new homes, farms, and towns in the wilderness, often facing harsh weather, dangerous wildlife, and conflicts with Native American tribes. The genre also includes stories of explorers, fur traders, and other adventurers who ventured into uncharted territories, as well as memoirs and biographies of notable figures who played a role in shaping the American West.

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