Book of Shadows (Sweep #1) by Cate Tiernan

Morgan's life is dramatically changed when Cal, a handsome senior transfers to her school. Morgan likes him almost immediately, but her best friend Bree announces her intentions of winning him for herself. Cal is very open about his Wiccan beliefs and invites a few junior and senior classmates to celebrate a Wiccan holiday with him. The celebration moves Morgan and starts her on a journey of self discovery. Morgan is a great character- full of teen angst and insecurity with honest and realistic reactions to the situations. Book makes you want to keep reading in the series.