The word “deduction” is inseparable from the name of the brilliant detective Sherlock Holmes. It was the deductive method—the ability to draw brilliant conclusions from unnoticed details—that made him a hero of his time. Today, Sherlock is again at the peak of popularity as an example of a sharp mind and the charm of a brilliant intellect. Possession of orderly, clear thinking helps to find effective strategies, develops an unconventional view on many issues, develops observation, resistance to manipulation and the ability to put oneself in the place of any person, which means enhances competitive advantages. Knowledge about people gives power over them, warns and develops the gift of foresight. This book is a real brain trainer. Simple, fun and effective. Whatever your age, education, or experience in solving logical problems, the new Sherlock Holmes puzzles will develop your intellect and discover the methods of the great detective. Let your brain work at 100 percent!