Đắc nhân tâm is a book that speaks volumes about its content on every page. Written by Dale Carnegie, it is the most famous, best-selling, and influential book of all time. It can be said that Đắc nhân tâm is the "first and best book of all time on the art of communication and behavior." This book has brought success and happiness to millions of people around the world.

The book contains six parts, including fundamental techniques for leading people, six ways to make people like you, leading others to think like you, changing people's habits without offending them, creating enthusiasm, and seven tips for increasing happiness in the family. The book is a must-read for anyone looking to improve their communication and interpersonal skills. The book, along with the author's other work, "Quảng gánh lo đi và vui sống," is an excellent resource for those seeking to enhance their life skills.