Johnny Ball has written a number of books on mathematics for younger readers. He has long been a British TV favourite with shows like Think of a Number, which have made maths, science and technology accessible and fun. His latest book is Mathemagicians . Why Maths? I had a disastrous secondary education in Bolton, leaving school at 16 with just 2 ‘O’ levels. However it was pretty certain that I got 100% in maths. I gained three more subjects and joined a business course with De Havilland Aircraft Corp, Lostock, Bolton, heading for Cost and Works Accountancy. I also trained myself to multiply double figures instantly and generally played around with maths concepts. However, I joined the RAF for 3 years, which was in effect my University. All through this period, I had been collecting books on recreational maths and it has been my lifelong hobby. The main influence was Martin Gardner, who wrote for Scientific American. Incidentally, when he retired, the magazine’s circulati...