Confessions: The Private School Murders (Book 2 in the Confessions series) by James Patterson and Maxine Paetro  422 pages

Tandy Angel and her siblings are back. No shrinking violet, Tandy is trying to find the person who is murdering wealthy, young women. The most recent victim was a student at her school.  Could there be a serial killer on the loose? Tandy seems to think so.
As she tries to locate a murderer,she is also trying to prove her brother's innocence in the death of his girlfriend.  And, there's a bit of a love story woven into the mix.
Little Miss Curious