Click on "NewBook" in the shelf window click on the title to name it. Doule click to open it. Now click on the plus button to add a new page and name it. Do this again for adding other pages.
Search for your media (games, DVD, CD…) at amazon.com and drag images onto the page and copy and paste information. Drag the web address from Safari onto the page to create a weblink to amazon.
Enter a searchphrase in the searchfield to search for a media in a book. The matching pages and media will be shown. That easy.