Millions of people know John Gray as the author of a bestseller about the relationship between Mars and Venus. His books have returned millions of couples to faith in love and showed the way out of the most difficult conflicts. This book is another important step towards success and prosperity for Mars and Venus. John Gray presents the results of 30 years of research, which he devoted to the study of the brain and ways to improve its effectiveness Have you noticed that you can not concentrate on actions or thoughts? You were waiting for a responsible job or a serious conversation, and you were full of enthusiasm to do everything “excellent”, but … after a few minutes you were distracted by Facebook, email, snacks, watching the latest news, writing sms . Your brain is overloaded with information, you are tired, and the case is worth it, and someone else becomes successful. John Gray has conducted thousands of studies. to find funds, Improves brain function , Enhanced memory , Concentration and performance , and today it presents you with truly revolutionary ideas! Make your brain work efficiently, and you will be able to solve many problems in your career and in relationships with people!