The Millionaire Next Door, by Thomas J. Stanley, William D. Danko

This book is a comprehensive first-hand research conducted on America’s millionaires. The authors explain simple spending and saving habits to attain financial independence. They debunk the myths about the millionaire lifestyle, showing us that most times we are misinformed about what actually means to be rich. The key to this book shows that the millionaire next door is usually frugal, saves regularly and invests wisely.