E-book sales statistics for
September 2009 have been released by the Association of American Publishers (AAP) via IDPF. Trade e-book sales were $15.9 million for September 2009, a 170.1% increase over September 2008. IDPF reports calendar year to date revenue is up 176.1% for the year. Note that these figures represent the 12 to 15 trade book publishers who have been willing to supply their data to IDPF.
