The Greater Pittsburgh Festival of Books is back again on May 13 from 10 a.m. to 5 p.m. on the campus of the Pittsburgh Theological Seminary and will feature programming from a variety of genres including fiction, non-fiction, history, mystery, thriller, memoir and romance. The day’s events will include author talks, workshops, live performances, book signings, children’s activities, poetry readings, bookselling from local bookstores and literary fun for all ages.