When the Island of Pingaree is invaded by the barbarian warriors of Regos, it is up to Prince Inga to rescue his captured parents and save his fellow islanders from slavery. With the help of the jolly King Rinkitink and Bilbil, his surly goat companion, the young prince must trust in the power of three mysterious coloured pearls - but will their magic be enough to liberate the Pingarese? Book 10 of the 15 book series by L. Frank Baum. Journey through the magical world of Oz with Dorothy and friends with these beloved timeless classics.