Our weekly look at print book sales based on data from Nielsen BookScan.

Unit Sales of Print Books by Category

Category july 3, 2011 july 1, 2012 % Chge Week % Chge YTD
Adult Nonfiction 4,195 3,901 -7% -14%
Adult Fiction 3,335 3,450 3 -13
Juvenile Fiction 2,521 2,451 -3 3
Juvenile Nonfiction 581 726 25 4

Unit Sales of Print Books by Format

Category july 3, 2011 july 1, 2012 % Chge Week % Chge YTD
Hardcover 2,408 2,291 -5% -3%
Trade Paperback 6,467 6,656 3 -10
Mass Market Paperback 1,761 1,449 -18 -23
Board Books 216 248 15 2
Audio 97 96 -1 -7


Category segment excludes “other,” which includes audio, maps, calendars, and other miscellaneous categories. Format excludes calendars, boxed sets, and other formats (i.e., maps, minibooks). Source: Nielsen BookScan and Publishers Weekly. Nielsen BookScan’s U.S. Consumer Market Panel covers approximately 75% of the print book market and continues to grow.