All major adult print segments—hardcover, paperback and mass market—showed a decline in sales in May, according to the AAP’s monthly sales report. While e-books showed a steep uptick of 146.9% for the month, bringing in $73.4 million in sales, adult hardcovers dropped 38.2%, adult paperbacks dropped 14.3%, and adult mass market fell 39.4%. For the calendar year, e-books brought in $389.7 million in sales, a 160.1% climb over the same period 2010.

The few bright spots for the month, on the print side, came from YA paperbacks, which saw an uptick of 4.7% for the month; university press paperbacks, up 3.4%; and religion books, which were up 21.6%.