Textbook in PDF format This richly illustrated book is an amusing and rewarding explanation of the language of mathematics. The author builds on everybody's basic understanding of the mathematical process-from playing a game of billiards to planning a garden plot. Many elementary, as well as relatively advanced, aspects of the subject are discussed at a level which will appeal to all readers, whether or not they have had any particular training in mathematics. At the end of the book there is a selection of amusing problems designed to illustrate mathematical techniques explained in the text