When Cassandra, one of his schoolmates, claims to have seen a ghost on the school grounds, it's up to Jigsaw Jones and his detective partner, Mila Yeh, to solve the mystery. As is always the case with stories in this reliable series for young readers, there are solid clues and red herrings and various story lines that don't seem to fit at first until the end when they do. I love how well crafted the story is, and even though I could see the ending coming miles away, I still enjoyed it. This is a fast, engaging read, supported with interesting illustrations, and abundant references to popular culture. Who doesn't remember "The Monster Mash" from years ago? I'm so pleased to see this series reissued with a fresh new look to entice reluctant readers.