Everyone's favorite super sleuth, age 9 and a bit, is back to solve another mysterious mystery. In The Spaghetti Yeti, Mariella wonders: is there really a spaghetti-loving yeti stalking the woods next to Limpet Rocks Campsite? Mariella and the Mystery Girls are determined to find out. Kids will enjoy going along with Mariella as she searches for clues and writes them down in her top-secret journals.