The mathematician Albrecht Beutelspacher, known for presenting his field in an entertaining and exciting way, is not only the director of a unique museum of mathematics, but he has also made it a habit to answer the many questions from visitors to his museum as accurately and understandably as possible. He has collected the most interesting, original, and frequently asked questions along with their answers. Here is the result: "Beutelspacher's Little Mathematics Book." Is zero an even number? Yes. You can also divide zero candies between two children without leaving any candy behind. However, that’s not very generous. What are the chances of picking six numbers in the lottery? Terribly small. To be precise: 1 divided by just under 14 million. In other words: 0.000007%. Are women mathematically challenged? No, dear machos: women and men are equally gifted.