Although the latest book you can buy is one version behind (1.6), there is a reference at http://www.adobe.com/devnet/pdf/pdf_reference.html http://www.adobe.co

Although the latest book you can buy is one version behind (1.6), there is a reference at http://www.adobe.com/devnet/pdf/pdf_reference.html http://www.adobe.com/devnet/pdf/pdf_reference.html.