Thanks to Derick Bailey's input, the API and documentation for rabbot have improved a lot. You can learn from Derick's hands-on experience in his Watch Me Code series.
Alvaro Vidella and Jason Williams literally wrote the book on RabbitMQ.
Gregor Hophe and Bobby Woolf's definitive work on messaging. The site provides basic descriptions of the patterns and the book goes into a lot of detail.
I can't recommend this book highly enough; understanding the patterns will provide you with the conceptual tools need to be successful.