There are 11 editions of The Silver Palate Cookbook linked to the indexed master. You can see linked editions by clicking the links icon when viewing the book in the EYB Library. Or click the book title to go to the book details page, then click the details tab. You will then see all the linked editions listed. All the editions with the 2007 pub date are 25th Anniversary editions. To add the one you own to your Bookshelf, click the ISBN then the +Bookshelf blue button.