The Golden Helmet (Walt Disney's Donald Duck)

"Donald Duck and his nephews hoist sail on their most momentous quest ever! In a rip-roaring race full of twists, turns, and tumultuous upsets, they bound over treacherous seas, slog across treacherous terrain -- and get waylaid by treacherous opponents!The prize : a fabulous viking artifact that will make its finder King of North America!" -- page [4] of cover.