A spine-tingling new fantasy-mystery, perfect for adults or teens who enjoyed Harry Potter... What would you do if you spotted a man following a young woman, but no-one else could see him? Like most sane people, student Alex Webber thought he was hallucinating - perhaps he'd consumed something bad at the party he'd been attending that night, or he was severely overtired. But when he sees the mysterious man following Natalie again the very next day,...