Bono stopped by a bookshop in Dublin to catch a glimpse of their display window featuring his new autobiograpy Surrender on Wednesday.The U2 frontman, 62, admired the display in The Gutter Bookshop before popping inside for a few minutes where he signed autographs and chatted with customers.The singer, whose real name is Paul Hewson, was dressed in his usual all-black attire, sporting a blazer, T-shirt and matching trousers. Visit: Bono stopped by a bookshop in Dublin to catch a glimpse of their display window featuring his new autobiograpy Surrender on WednesdayHe also wore his trademark sunglasses as he strolled through the city centre.Surrender is a memoir of Bono's life, charting his childhood in Dublin to becoming the lead singer of one of the biggest bands in history.