Colonel Prentiss Ingraham was born on December 28, 1843, in Adams County, Mississippi, United States. He was a Confederate Army officer during the American Civil War and later became a mercenary throughout the 1860s. After the war, Ingraham transitioned to a career as a fiction writer, becoming best known for his adventure novels, particularly those in the Western and dime novel genres. His writing was popular in the late 19th century, and he authored hundreds of novels, including stories about heroes, outlaws, and the supernatural. Ingraham's works often featured bold and resourceful protagonists who faced thrilling challenges. He was a prolific writer, contributing to the dime novel industry, which was hugely popular among readers at the time. In addition to his writing, Ingraham's military background and mercenary experience added an edge of realism and excitement to his adventure stories. He passed away on August 16, 1904, in Biloxi, Mississippi, leaving behind a legacy of action-filled fiction that captured the imagination of readers during his time.