If you decide to do it, time it carefully so that your books remain available during peak buying periods or your own promotions. (skipjackpublishing.com)
Cause I wasn't buying it period, I had no use or urge for it. (n4g.com)
If you look at January and February 2011 vs January / February 2010, which encompasses this heavy post-holiday buying period, e-Books grew 169.4 % to $ 164.1 M while the combined categories of print books fell 24.8 % to $ 441.7 M. (goodereader.com)