Already the winner in 2010, Max Biaggi confirmed he was still at the top of the Superbike World Championship by winning the 2012 title in the saddle of an Aprilia. But after taking his second world title, he announced his retirement from competition. So the 2013 Superbike World Championship opens without a reigning champion, but it is still packed with excitement. The Superbike World Championship story is once again told in the official annual, a reference book published by Giorgio Nada Editore on the world of bikes "derived from normal production", the machines that for many years have been the heart and soul of sports motorcycling, uniting competition with a high technological content. To illustrate the book there are the inevitable, spectacular pictures by Fabrizio Porrozzi, with the precise, accurate text by his brother Claudio