Based on extensive surveys and interviews with American millionaires, Thomas Stanley and William Danko deliver a portrait of wealth that contradicts almost every popular assumption. The typical millionaire, they find, does not drive a luxury car, live in an upscale neighborhood, or wear expensive clothes. Instead, they are disproportionately self-employed small-business owners who live well below their means, invest consistently, and rarely consume conspicuously. The book identifies seven key behaviors shared by the wealthy: living frugally, allocating time and money efficiently toward wealth building, prioritizing financial independence over social status, receiving little financial help from parents, raising financially self-sufficient children, being skilled at identifying market opportunities, and choosing the right occupation. The authors introduce the memorable concept of UAWs (Under Accumulators of Wealth) versus PAWs (Prodigious Accumulators of Wealth), showing how income and displayed wealth are far weaker predictors of net worth than spending discipline. Now several decades old, the book's core behavioral insights remain as applicable as ever for anyone serious about building durable financial security.