This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Have you read the JBoss Tools documentation? It contains many helpful tutorials. Same for the Eclipse help text (for the Web Tools Platform), though those tutorials target Tomcat they should still be usable for JBoss AS.