Heartless by Anne Elisabeth Stengl
About 363 pages
Princess Una is at the age to get married, but when her first suitor comes, she refuses his proposal. She wants a more handsome prince. Una continues to wait, but the evil dragon king has found her and wants her for himself. He takes over the castle and forces the royal family into captivity. Prince Aethelbald, her first suitor, tries to rescue her, but she still does not trust him. Things begin to go terribly wrong and it seems as if there is no hope for the kingdom. Who will be brave enough to fight the Dragon King?