El dinero es mi amigo (original title: Money is My Friend ) is a foundational personal finance and self-help book by

, the book posits that wealth is a creation of the human mind and that by shifting from a "poverty consciousness" to a "prosperity consciousness," individuals can dramatically increase their income. Quick Facts Core Philosophy:

Includes exercises, self-tests, and affirmations designed for self-exploration and mental reprogramming. The Four Laws of Wealth

Highlights the importance of multiple savings accounts to give money specific purposes. The Investing Law:

that explores the psychological and emotional barriers to financial success. First published in English and later translated into Spanish by Grupo Editorial Tomo