كتاب دع القلق وابدأ الحياة

A book that deals with great truths, deals with the initial feelings and thoughts of man. It is great to read, and easy to apply. Most of all, it can change your life. Millions have benefited from this interesting book as they have overcome their intractable problems and gained confidence and reassurance, because Dale Carnegie's proven methods helped them break the habit of worrying forever.