You must first sign-in in order to organize and save your books. After signing in, go to LIBRARY > MY BOOKSHELF. From here, you can view the books currently in your bookshelf. You can view your entire bookshelf, or individual collections. You can also create new collections to organize your books.
To add a book to your bookshelf, click on the book to bring up the information page, and click on Add to Bookshelf button.
Click SAVE to add the book to your bookshelf. If you have created Collections, you can choose one or more collections before clicking SAVE.
You can also view your bookshelf from the Me page.