Ukrainian-Belarusian writer and 2015 Nobel Prize winner Svetlana Alexievich and Russian opposition intellectual Lyudmila Ulitskaya will visit the 27th Book World international book fair and festival in Prague to be held from June 9 to 12, Pavla Umlaufova has announced on behalf of the organisers. Both authors, who currently live in exile in Berlin, will speak up in the festival section Literature as a Voice of Freedom.