The Psychological genre of books typically explores the inner workings of the human mind and emotions, often delving into complex and sometimes disturbing psychological states. These books may focus on mental illness, trauma, relationships, or personal growth, and often challenge readers to confront their own beliefs and perceptions. Psychological books may be suspenseful, thought-provoking, and emotionally intense, offering readers a deep and often unsettling glimpse into the human psyche.

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.

If you're interested in downloading this list as a CSV file for use in a spreadsheet application, you can easily do so by clicking the button below. Please note that to ensure a manageable file size and faster download, the CSV will include details for only the first 500 books.