If you go to Conor's home page - www.conorandthecrossworlds.com - you'll see a banner at the top. It says:
If you click these links in the website, you'll see the Battle Ranks, just as they are listed in the books. There are four warrior levels on either side:
Circle of Evil:
It's a cool way to keep readers engaged, and get the friends involved as well.
The Conor and the Crossworlds Series