The Cruise of the O Moo is an early 20th-century juvenile fiction novel by Roy J. Snell. It follows sisters Lucile, Marian, and Florence as they live aboard the yacht O Moo, facing educational challenges and mysterious occurrences. The story begins with Lucile hearing strange noises on a stormy night, leading to the discovery of a cryptic note that hints at danger. This work is notable for its blend of adventure and mystery, set against the backdrop of Michigan's lakes.
