Princess Sally dreams of sailing the world, but her father insists she must move into a tall tower guarded by a ferocious dragon, just like every other princess. He believes no dragon could ever be strong enough to protect her on the dangerous seas. Determined to prove him wrong, Sally sets off on a bold adventure in search of the most powerful dragon of all. Along the way, she encounters seven unique dragons from ancient civilizations across the world—from the Aztecs and the Vikings to the Egyptians and beyond! Will Princess Sally find the perfect guardian dragon or will she have to give up her dream of sailing forever?