"Eagle of Toledo" and "The Cannibal," "The Angel of the Mountains" and "Leatherhead." A sporting event where the heroes earn nicknames like these must be incredibly powerful and alluring. The names reflect the nearly mythical aura surrounding the Tour de France. The men who bore these monikers, Federico Bahamontes and Eddy Merckx, Charly Gaul and Jean Robic, are only some of the protagonists representing the golden era of cycling who appear in this...