Maggie Murphy loves to solve mysteries, and thanks to her grandfather's aging machine she can really go undercover as an adult -- or in this case, a teenager! Join Maggie and her kid brother, Arthur, in this funny follow-up to Undercover Kid: Tuna Surprise as they solve the mystery of the Comic Book King. Someone has been stealing comic books from Maggie's dad's shop, and she's determined to catch the culprit!
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