P. T. Barnum, the greatest American showman of the 19th century, wrote this short book about making and keeping money. He certainly had life experiences that qualify him for the subject--he started a small newspaper in his twenties, bought and transformed a museum into a showplace for curiosities, built a circus empire that gave performances in America and Europe, promoted a performing tour of a singer, fell into debt in the 1850s and pulled himself out by lecture tours, was a mayor, and founded a hospital. He summarized his philosophy for creating and retaining wealth into 21 simple steps anyone can follow.