These include In Depth, a live, monthly, three-hour interview with a single author, and After Words,[82] an author interview program featuring guest hosts interviewing authors on topics with which both are familiar.[83] After Words was developed as a new type of author interview program after the end of production of Booknotes.[83] Weekend programming on Book TV also includes coverage of book events such as panel discussions, book fairs,[84] book signings, readings by authors and tours of bookstores around the U.S.[7]