"At the stroke of midnight, Milly wakes up her big sister, Becca. It's time for Milly's first Midnight Club adventure! With Becca leading the way, the siblings explore the hidden wonders of their house in the dark. They dip into Dad's jar of jelly beans, try on Mom's coat, and make more mischief with the help of the Midnight Club president (their cat, Oliver!). Exhausted from their midnight expedition, Milly is ready to head to bed, but not before she remembers the club's most important rule: The Midnight Club must be a secret! The sisters quickly clean up before settling into bed. But they might have left a few clues behind…"--Provided by publisher.