For those (like me) who love independent bookstores, Stepson of the Blues is now being sold in Hyde Park (home of the Obamas) at 57th Street Books, 1301 E. 57th St.  Stop in and pick up your copy:

http://semcoop.indiebound.com/57th-street-books

(Those who like to order stuff on the web can also find the book on the "Shop" page of this website.)