E-book sales statistics for
March 2009 have been released by the Association of American Publishers (AAP) via IDPF. Trade e-book sales were $10 million for March 2009, a 110.4% increase over March 2008. IDPF reports calendar year to date revenue is up 131% for the year. Note that these figures represent the 13 trade book publishers who have been willing to supply their data to IDPF.
