The official book is now for sale . If you’re looking to learn how to do ad-hoc reports in and add reports to your application, this is a great reference and learning tool. (Disclaimer: I was a volunteer proofreader for the book.)
Still on the fence about buying it? There is a free HTML version available on the for you to preview and read, and 25% of the revenue from book sales will go to . The book is also available under the .