The October 15 Boston Book Festival boasts a lot of wonders, but one event you shouldn’t miss is “The Wire” writer and producer George Pelecanos alongside series cast members. They’ll discuss “issues of race, class, and institutional failure as portrayed by the most critically-acclaimed series in television history.” Last month, a similar event was held at Housing Works Bookstore Cafe to launch the issue of Criticism dedicated to “Why The Wire (Still) Matters“.