Carlos Serrano has never solved a mystery in his life. But when Carlos s mom gets sick with a flu on the morning of an investigation that could With the help of his best friend, Eliza, and her wild little brother, Frank, Carlos must uncover a mystery involving an eccentric local millionaCan you help Carlos and his friends find the culprit and save Las Pistas Detective Agency? Or will it be case closed?ens of impossible choices, they need your help!
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