Other editions of book A True Princess

Lilia must save her best friend, Kai, from a terrible enchantment caused by their perilous encounter with the Elf King and his beautiful daughter. The only way for Lilia to break the spell is to find a mysterious jewel of ancient power hidden somewhere in the North Kingdoms. But the jewel will not be easy to find. The castle where it lies is caught up in a different kind of search—the search for a true princess!