Dale Carnegie’s timeless bestseller How to Win Friends and Influence People is a classic that has improved and transformed the professional and personal and lives of millions.

One of the best-known motivational guides in history, Dale Carnegie’s groundbreaking book has sold tens of millions of copies, been translated into almost every known language, and has helped countless people succeed.

Originally published during the depths of the Great Depression—and equally valuable during booming economies or hard times—Carnegie’s rock-solid, time-tested advice has carried countless people up the ladder of success in their professional and personal lives.