Making it easier for single hand use.
Home page
Key actions are kept upfront, reducing number of clicks and pop ups.
Now users can see a book cover (front and back) in full screen, Major actions are shifted at the bottom, so user can click with his thumb.
Back and forward actions (via touch) on the same side of the bezel.
Full Table of content with just a swipe up gesture.
Display settings in just one simple layout (removing tabs), now users can see the changes made in font type, font size, spacing etc in real time, on top half of the page.