"Your Money or Your Life" is a personal finance book by Vicki Robin and Joe Dominguez that focuses on transforming one's relationship with money. It encourages readers to evaluate their spending habits and align their financial choices with their values and life goals. The book introduces a nine-step program aimed at achieving financial independence and a fulfilling life. The core concept revolves around the idea that money is a tool for achieving life satisfaction rather than an end in itself. By tracking income and expenses, individuals can gain insights into their financial habits and make informed decisions that lead to greater happiness and purpose.