How to Win Friends and Influence People About this Book: In brief introduction this book contains the tools and techniques to improve communication skills.the author of the books is Dale Carnegie. he interviewed many successful peoples from inventor like Edison to political leaders like Franklin D. Roosevelt. from this material he prepared short speech. after that he delivered lectures to many universities and public speaking. by this he influence many peoples and changed their life by giving them valuable tools and techniques. world's biggest investor Warren Buffett said that Carnegie changed my life. from this you can imagine the importance of the book. What you get from this book: This is obvious question that if you're investing money in something is it worthy or not.but if you invest in this book it not only worthy of money but also time.The book is divided into four part which are as below: 1) Fundament