Grades 3 - 6. It's not easy to concentrate at school when mysterious things are happening all around you. In fact, Clarice Bean is starting to feel just like her favorite heroine: Ruby Redfort, schoolgirl detective. Clarice and her utterly best friend, Betty Moody, are planning to ace their book project about Ruby and win the class prize, until Betty disappears into thin air, and horrible teacher Mrs. Wilberton teams Clarice up with the naughtiest boy in school. Will her new partner ruin everything? Will Betty ever come back? And what on earth happened to the silver trophy everyone's hoping to win? 208 pages. Paperback.