📙 The Spell of Twelve is a tale that tells of the adventure of Prince Egbert XII who disappears from the castle on Christmas night. Written in the form of a traditional folk tale, Egbert's quest is to solve the riddle of an orange before Twelfth Night and his twelfth birthday. Along the way, he avoids dangers and forges an alliance with a miller, a sparrow, and a girl named Egnaro.