Superman at Warner Brothers stand in the 2013 Frankfurt Book Fair, in Frankfurt, Germany, 09 October 2013. The Frankfurt Book Fair is the biggest book and media fair in the world - with around 7500 exhibitors from over 110 countries. It is opened to the public from 09 to 13 October. Brazil is guest of honor. 70 Brazilian authors and 170 publishing houses will present a variety of works at the Pavilion. (Photo by Horacio Villalobos/Corbis via Getty Images)
