To turn the page click on the arrow buttons on the right and left of the ebook.
To turn the page you can also click on the pages or use your keyboard arrow keys.
At the button of the page find the toolbar to zoom in, zoom out, and view the original.
The toolbar also gives you the option to view all pages or go back to the home page.
Buttom right of the page gives you the page option to search for specific pages by typing in page number and pressing GO.