The trend line for e-book sales has hit an inflection point, a glance at the IDPF graphic (right) and other data at the IDPF site suggests. The graph represents wholesale e-book revenue by quarter and, as you can see, Q1 sales leaped substantially beyond earlier quarters. Bookselling has always been extremely seasonal, with most revenue falling in the last half of the year, so the rest of the year may, if the increase continues, represent the beginning of a steep rise in revenue for e-books.
A certain perspective is needed with these numbers, however. They represent “wholesale” sales, rather than retail sales. For example, if you add up the 2008 sales by quarter provided here ($53.5 million) and compare them against the annual sales reported by the Association of American Publishers, which were $113 million in 2008, these figures only represent 47 percent of the total revenue from e-books reported. Moreover, they are slightly counter-cyclical, with later quarters in the year growing less than Q1 and Q2. In fact, these numbers are only U.S. e-book revenues for a small sample of “wholesale channels.”
I think, because of the absence of inventories with e-books, that a different word than “wholesale” is needed. It’s a small but useful sample that can be helpful in understanding sales.
In any case, the question still remains, does Q1 2009 represent an inflection point at which sales will increase on an exponential curve, the