The AAP report compares September, 2008 to September, 2007. Among the categories that Shelf Awareness reported:
E-books jumped 77.8% to $5.1 million from last year to the same month this year.
Audiobooks decreased 12.3% to $18.7 million.
Adult hardcover fell 29.8% to $173.3 million.
Adult paperback decreased 8.6% to $134.7 million.
Adult mass market dropped 8.3% to $67.4 million.
Children's/YA hardcover increased 41.9% to $119.8 million.
Children's/YA paperback declined 19.1% to $51.5 million.
Religious books fell 11.8% to $76.8 million
Publishers Weekly reported on the same numbers:
The children’s hardcover segment provided some good news, with sales jumping almost 42% led by shipments of Brisingr, If You Give a Cat a Cupcake and Disney High School Musical 3 Junior Novel; all three had first printings of over 1 million. Children’s paperback sales were down 19.1%.
The strong performance of e-books continued in September, with the 13 publishers that report sales totaling revenue of $5.1 million, a 77.8% increase over last September.