E-book sales statistics for
May 2010 have been released by the Association of American Publishers (AAP) via IDPF. Trade e-book sales were $29.3 million for May 2010, a 162.8% increase over May 2009. IDPF reports calendar year to date revenue is up 207.4%. Note: These figures represent the 12 to 15 trade book publishers who have been willing to supply their data to IDPF.
