German Chancellor Angela Merkel speaks during the opening ceremony of the Frankfurt Book Fair, the world's biggest annual book fair, in Frankfurt of Germany, October 13, 2009. China has been selected as the Guest of Honor for this year's fair, which kicked off on Tuesday evening. [Xinhua]

Mayor of Frankfurt Petra Roth speaks during the opening ceremony of the Frankfurt Book Fair, the world's biggest annual book fair, in Frankfurt of Germany, October 13, 2009. China has been selected as the Guest of Honor for this year's fair, which kicked off on Tuesday evening. [Xinhua]