Alexandra Jennings is a sixteen year-old girl with archaeologists for parents. This means that every few months or so, she moves to some new country for their work. Sent to a rigid, dreary boarding school for eight months while her parents fly off to a remote dig-site in Siberia, Alex is not looking forward to figuring out how high school actually works when you’re there longer than three months. But when she gets there, she impossibly steps through a doorway into a different universe.