Ever heard of how walnuts are good for the brain? It certainly seems plausible when you meet Walnut Cookie, the famed little detective! Using her extensive knowledge of detective novels, there's no case this expert sleuth can't solve! Always on the hunt for a case, her persistence and instinct for finding answers are invaluable. Other Cookies can't help but allow her to investigate a scene when she requests permission in her signature cute and polite manner. No clue goes undetected by her magnifying glass! "The Gummed Shoe Mystery" and "The Missing Final Page Case" are just the tip of the iceberg when it comes to Walnut Cookie's success. CLANGSHRIEK! "Something's happened! It's time for a great detective to save the day!"