When the iPad was released was back in 2010, many people in the education industry saw it as a way to end the large backpacks that children have to carry back and forth to school. To sum it up, that mainly hasn’t happened. In 2018, there still aren’t great solutions for the majority of schools to deploy ebooks in mass to any device. This problem spans across the Apple Bookstore, Kindle store, and the Google Play store.
Over at 9to5mac, I look at why digital textbooks never took off on the iPad (and why that isn't a bad thing in hindsight). You can read the article here.