In this installment in the best selling series, Mariella is back...and this time, it's personal. Early readers will be hooked on this mystery chapter book from page one! Mariella Mystery (age nine and a bit) knows that all good detectives write down important information about their investigations. She's smart as a whip, super sleuth-y, and able to solve most mysterious mysteries and perplexing problems in no time flat.Parents, teachers, and gift givers will find:a mystery chapter book that early readers will love!a book perfect for school, libraries, or home!Youngsters who loved Diary of a Wimpy Kid and Tom Gates books will be captivated by this charming detective—and they won't want to miss any of her riveting escapades. In this top-secret journal, Mariella Mystery tackles the case of who is trying to sabotage the Puddleford baking contest with important clues and observations, helpful drawings, and handy tips for new detectives.