Leopards' gold
(Junior Book)

King Timoken has settled peacefully in England, and his majestic home is protected by the wizards Llyr and Eri, who weave spells to make the great red castle and its people invisible whenever danger threatens. But then the castle bellman disappears. Traces of blood on the stairs are the only clues as to his fate. Could there be a traitor in their midst? Petrello, the most inquisitive of Timoken's many children, is determined to solve the mystery.