Unit Sales of Print Books by Category (In Thousands)

Category Dec. 4, 2011 Dec. 2, 2012 % Chge Week % Chge Year
Adult Nonfiction 5,758 5,644 -2% -15%
Adult Fiction 2,930 3,131 7 -12
Juvenile Fiction 4,409 4,209 5 -3
Juvenile Nonfiction 1,254 1,357 8 4

Unit Sales of Print Books by Format (In Thousands)

Category Dec. 4, 2011 Dec. 2, 2012 % Chge Week % Chge Year
Hardcover 5,458 5,309 -3% -7%
Trade Paperback 7,203 7,280 1 -10
Mass Market Paperback 1,412 1,402 -1 -22
Board Books 524 549 5 2
Audio 122 129 6 -8

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.