% CHANGE % CHANGE
CATEGORY May YTD
Adult Hard (17)* 43.2% 21.7%
Adult Paper (19) -2.2 15.7
Mass Market (9) -14.6 -7.3
Juvenile Hard (14) -1.3 -23.3
Juvenile Paper (14) -8.1 -6.6
Audio (21) 5.1 13.1
Aud. Download (7) 72.9 33.3
Electronic (13) 162.8 207.4
Religious (18) 8.2 2.6
Higher Ed. (10) 6.3 21.4
Univ. Pr. Hard (33) 13.9 1.0
Univ. Pr. Paper (33) 4.9 0.1
Professional (9) 6.7 13.2
Elhi (9) 0.4

5.3

(Measured in $ sales against same time periods, 2009) * Number of reporting companies. May was a mixed month for the publishing industry with the two digital segments delivering big gains while the trade segments, with the notable exception of adult hardcover, had declines, according to AAP's monthly sales estimates. E-book sales rose 162.8% in the month at the 13 publishers that report sales, to $29.3 million, while digital audio sales increased 72.9% to a still modest $5.9 million. For the first five months of 2010, e-book sales were up 207.4%, to $148.3 million. In adult hardcover, sales jumped 43.2% and were up 21.7% for the year-to-date period. Sales were down in the other trade segments for the month and with the exception of a 15.7% increase in trade paperbacks, were down for the January through May period.