Join the 20th annual Northern Arizona Book Festival, as numerous authors and poets descend on Flagstaff for two weekends in October. Several authors will present October 6 and 7, and October 13 and 14 will include special events, talks, and symposiums. Events will take place at various venues throughout downtown and at Northern Arizona University. Guest authors include Joy Harjo, Ander Monson, Matt Bell and numerous regional writers. A separate Young Readers Fest will take place Nov. 4. Get all the details at www.nazbookfest.org.