Max Tegmark is talented at explaining complex and vast problems in such simple terms that strange creatures like me, who can only add numbers up to 10, can understand what he is talking about. It was one of the best journeys in the past years. Yes, more exciting than hiking in the Alps. If you read this book, you will travel through enormous volumes of space and infinite and parallel universes. At the end of the book, you will dive into the mathematical structures we probably inhabit.