Moon Demon — Lynne Ewing

VANESSA, Serena, Jimena, Catty, and Tianna are five seemingly ordinary girls from Los Angeles. But the truth is that they are all far from ordinary. Each has a secret power that separates them from others -- and makes them DAUGHTERS OF THE MOON

Vanessa's sixteenth birthday is coming up. While most girls would be thrilled at the prospect, Vanessa dreads being one year closer to making the most important decision of her life. Now she is beginning to doubt everything she holds true -- her friends, her relationship with Michael, and even her identity. Then she meets Hector, who is more exciting and dangerous than anyone else she knows. Through him, she learns about a side of herself that she never knew existed....