Some web browsers have a hard time recognizing certain eBooks. Because of this, you will need to go through steps to "load unsafe scripts." Choose the video that matches your web browser to see the directions:
Firefox: http://screencast.com/t/Ku6y4edTJCP
Chrome: http://screencast.com/t/Ydp6hgCg
Internet Explorer: http://screencast.com/t/qZo1ISSRSbH
