A few days ago we discovered a section of Book 10: The City of the Kings.  The official site has just recently released further information from Book 10, focusing on the Captain and Hunter classes this time.  Check it out:

In Book 10: The City of the Kings, LOTRO's second free content update, the LOTRO game systems team focused on the Captain and Hunter classes. Learn about the changes in two new overviews!

More information on: The Month of the Hunter and The Month of the Captain.