IndieBound

Based on sales at hundreds of independent bookstores nationwide for the eight-week period ending September 9, 2012.

Based on sales at hundreds of independent bookstores nationwide for the eight-week period ending August 19, 2012.

Based on sales at independent bookstores nationwide for the eight-week period ending August 5, 2012.

Based on sales at hundreds of independent bookstores nationwide for the eight-week period ending July 24, 2012.

Based on sales at hundreds of independent bookstores nationwide for the eight-week period ending July 8, 2012.

Based on sales at hundreds of independent bookstores nationwide for the eight-week period ending June 17, 2012.

Based on sales at hundreds of independent bookstores nationwide for the eight-week period ending May 27, 2012.

Based on sales at independent bookstores nationwide for the eight-week period ending May 20, 2012.

Based on sales at hundreds of independent bookstores nationwide for the eight-week period ending May 6, 2012.

Based on sales at hundreds of independent bookstores nationwide for the eight-week period ending April 22, 2012.