When Peyton Newlin, a 13-year-old math genius disappears, math teacher Bonnie Pinkwater begins to investigate. One by one, Peyton's competitors turn up dead and Bonnie suspects the young math
whiz may have something to do with it. But when Peyton also is murdered, Bonnie's sleuthing reveals a coven of witches, a violent skinhead, an abusive father, an amorous science teacher and a
medieval mathematics manuscript that has been mistranslated.When Bonnie Pinkwater's star student disappears and his competitors in the Knowlege Bowl begin to turn up dead, the math teacher
begins to investigate, soon getting mixed up with a bully, a coven of witches, and a comic book fanatic.