Of course, the book is still making sales more than e-book in the overview, but rather a trend, people began to be more interested in reading e-book every year and people are buying books began to decline as well.
Of course, the book is still sold more e-book as a whole anyway. But the trend began to attract more and more e-book readers every year. Buy a book and it started to decline as well.
Of course, the book still sales more than e-book overall anyway, but the trend started to read e-book more every year book and started buying decreased as well .