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.
JMS Selectors let you narrow down which messages you receive from a topic. That's the opposite direction of what you are looking for. I don't think it is possible to subscribe to multiple topics from the same EJB. And with the EJB 3 style of putting the topic name in the code, it is even more impossible.