1. Single click on the left mouse button on the page or tap on the page of the mobile device to activate the on / off functional area.
2. Open / Close Main Functions Menu.
3. The Page Functional Control Area can be used to browse the book, and also use the keyboard arrow keys to scroll the page left and right, and use the mouse wheel to flip the page.
4. Double click on the left mouse button on a page or tap on the page of the mobile device to zoom in / out of the page content.
5. Hold down the left / right mouse button and drag to flip the page; use swipe gesture to the left or right to flip the page.
6. Pinch and stretch fingers to zoom in and out of the page content on the mobile device.

7. Add / delete bookmark.
8. Open the bookmark list.
9. Back to the Library.
10. Click on the page corner to quickly add / remove bookmark.
11. Click on the bookmarked pages of the bookmark list to go directly to that page.

12. Recommended Information of books appears at the last page, by clicking on the book cover can directly open that book.