hwayne, who did learntla.com, is getting close to finishing a book on it. You could start with his online tutorial but get the book soon as it's out. Here's his

hwayne, who did learntla.com, is getting close to finishing a book on it. You could start with his online tutorial but get the book soon as it's out. Here's his Twitter in case you want to watch for the book release: https://mobile.twitter.com/Hillelogram https://mobile.twitter.com/Hillelogram