This graph presents data on e-readers targeted by U.S. publishers and authors with their e-book production. During a 2015 survey, 44.56% of responding publishers and authors stated they had either already converted their books to Nook or they were planning to do so.
Kindle | 77.2 |
iPad | 49.4 |
Nook | 44.56 |
Kobo | 30.57 |
I am not sure | 19.86 |
Sony | 19 |
Other | 10.36 |