Freelancing Books offer a great way of learning and at a much lower price than taking, for example, a specialist course. By reading a book, you consume a huge amount of research in a relatively short amount of time, and it is one of the best ways to improve your skills.
So what are your favorite Freelancing Books? It can be books about Freelancing in particular but also more general business books that help you run your freelancing business in a better way.