Bowker updated their annual statistics tracking the output of new, self-published titles that carry ISBNs in 2016. As has been well documented, a meaningful quantity of self-published titles do not carry ISBNs at all. But the Bowker data set helps track many of the vendors. As in past years, Amazon’s CreateSpace continued to grow, up over 18 percent, with 501,000 print ISBNs (compared to 424,000 in 2015). That has CreateSpace claiming 78.5 percent of that market, and they have only three meaningful competitors, all of whom declined: Lulu was down 11 percent at 42,000 ISBNs; Blurb was off 33 percent at […]
