Shadow Walkers II: Ascent:

A rescue mission into the land of the dead...and the wrath of a vengeful Queen. Princess Victoria Harlowe is at a crossroads. Her best friend, Will Norwood, is captured by Queen Joanna Ringmayer during an attack on Greywall Castle. She is torn between her duty to those she loves and her obligations as a Princess. Her fate as Queen is uncertain, and Victoria finds herself in a position where the slightest misstep can lead to disaster. To help in her quest to rescue Will from the Queen's clut...