It is generally accepted that mathematics is an exact and completely boring science, but Edward Sheinerman undertakes to prove the opposite. He claims that mathematics can be no less fascinating than the humanities. How to explain the fact that most of the numbers around us begin with one, and those that begin with nine are very few? What is the best way to win an election if more than two candidates win? How do you know how much you can trust even the most highly accurate medical test? Is it possible to cover the entire floor with parquet flooring in the form of regular pentagons and not leave any gaps? How can you check whether tax reporting has been fabricated just by analyzing the first digits of a monetary amount? Can mathematics shed light on the question of free will? You will find answers to all these and many other questions in this book. The author invites the reader to test his strength in solving mathematical puzzles and will become your guide on an exciting and comfortable journey through the world of numbers, geometric figures and probability theory. School knowledge of algebra is enough, and the result will be the unforgettable joy of learning the basics of mathematical thinking.