At the same time they also note the growing popularity of ebooks, which according to some calculations may account for some 30 % of the total domestic book market by 2020 - 2022. (publishingperspectives.com)
Out of the invention and rising popularity of ebooks rose the self - publishing industry which allowed authors to bring their books into the world themselves. (writtenwordmedia.com)
With the death of the traditional bookstore and the emerging popularity of ebooks being sold through the Internet, I felt it was time for me to test the waters. (pressbooks.com)