Is there really a ghostly guinea pig on the loose? In this top-secret journal, super-sleuth Mariella Mystery records clues, observations, and anything else to help solve the mystery--includes lots of cool drawings and advice for new detectives. Mysterious fun for early chapter book readers.
She's smart as a whip, super sleuth-y, and able to solve most mysterious mysteries and perplexing problems in no time flat. Mariella Mystery (age nine and a bit) knows that all good detectives write down important information about their investigations. In this top-secret journal she tackles the case of the ghostly guinea pig with important clues and observations, helpful drawings, and handy tips for new detectives. Early readers will be hooked on this mystery chapter book from page one!
