A historic milestone, an irreplaceable Ebook, a collector's item! The story behind Benedict XVIth's surprising decision to step down as told by the "vaticanisti" and commentators ofLa Stampa and its specialized site,Vaticaninsider.com. A means for grasping the ramifications of this event, a glimpse into the history of Joseph Ratzinger's papacy and an inside view of the Church's process of choosing his successor.