Association of American Publishers’ report shows sales of print books dropped 18.6% between Q1-Q3 of 2011 in major trade categories, Publishers Weekly reports. According to this article, while e-book sales climbed almost to 140% for 15 of the reporting houses, the jump did not offset the slow sales in the print segment. The combined print and e-book sales fell 5.7%, less than the 8.6% overall drop at the end of the first half of 2011.