Winners will be revealed on Nov. 20
George Saunders, James McBride, Elizabeth Graver among the authors up for the prize
The National Book Awards will add non-writers to the judging panels and will draft 10-book longlists before narrowing to top five finalists
Katherine Boo wins for nonfiction, Louise Erdrich wins for fiction at the 63rd awards presented in New York City
National Book Awards finalists also include Dave Eggers, Junot Diaz and Louise Erdrich
Acclaimed author shut out of 2010 competition
Higher-profile titles passed over for global-warming novel, Vanderbilt bio.