To make your user experience more exciting the program creates interactive 3D-books that you can view in the 3D View.
To open a book in 3D - make a right click on it and select View Book in 3D from the context menu.
You also can set an option to open a book in 3D via double-click in Options
In the 3D View you can rotate book and make snapshots using the appropriate icon.
Small 3D View is available in the Book Details pane