The book is divided in several time periods, you start in ancient times and we finish with the modern classics. But these aren’t the classics that we are used to. Did you know, for example, that Charles Darwin (you know the guy who wrote about the evolution theory) wrote a book in his lifetime about earthworms, and that book was more popular than his “On the Origins of Species”? This book is full of little facts that I never knew about, my personal favourite thing about non-fiction books, and full of authors I really want to read know!