A graphical user interface (GUI) is presented that allows a user to view and interact with content embedded in a digital book, such as text, image galleries, multimedia presentations, video, HTML, animated and static diagrams, charts, tables, visual dictionaries, review questions, three-dimensional (3D) animation and any other known media content, and various touch gestures can be used by the user to move through images and multimedia presentations, play video, answer review questions, manipulate three-dimensional objects, and interact with HTML.