This guide is not the only reference available. All documentation can be get in various formats at devnet.kentico.com/documentation.aspx.
If you can't find the information that you are looking for, please visit devnet.kentico.com. This is the official portal for Kentico CMS developers where you can find:
Paid license owners can also contact our highly-responsive support team, please visit www.kentico.com/support.aspx to learn more details.
You are also welcome to send us feedback on particular topics in this guide. You can do it by clicking the Mail us feedback on this topic! button at the top right corner of the HTML and CHM versions.