Chosen (The House of Night: Thorndike Press Large Print Literacy Bridge Series, 3)

Dark forces are at work at the House of Night, and fledgling vampyre Zoey Redbird's adventures at the school take a mysterious turn. Her best friend, Stevie Rae, is undead and struggling to maintain a grip on her humanity. Zoey doesn't have a clue how to help her, but she knows that anything she and Stevie Rae discover must be kept secret from everyone else at the House of Night, where trust has become a rare commodity.