From Pythagoras’ theorem and Einstein’s relativity theory to Euclidean geometry and the butterfly effect—mathematics provides a whole new language with which we can recognize and describe the hidden patterns of our universe. is a perfect introduction to the mysterious and magical world of numbers, taking you on a whistlestop tour from the essentials of arithmetic to the fascinating outer limits where mathematics and philosophy merge. With 10 topics across 10 chapters, each accompanied by explanatory illustrations, is the ideal primer for those who want to learn more about the language of numbers.