AAP March report: Children's/YA and eBooks sales are growing; everything else is stable or falling

Publishers Weekly has the key numbers from the Association of American Publishers' March report. Here's a summary:

• Sales in all print segments except children's fell in March.
• The Children's/Young Adult segment rose 46.6%; eBook sales in the segment rose 173.9%. 
• Sales of adult eBooks rose 33.2%. 
• Sales of adult trade print books fell 11.6%.

For all of Q1 2012:

• Adult eBook sales rose 28.1%; adult hardcover sales were up 2%, while adult trade paperback sales declined 10.5%. 
• Mass market paperback sales declined 20.8%.. 
• Children's/YA sales rose 63.6% 
• University press sales rose 3.6%. 
• Religious sales dropped 1.8% 
• Professional sales were down 2.6%. 
• K-12 instructional materials declined 13.4%. 
• Higher education course materials dropped 0.3%.