Can't get enough of Class on BBC America? This thrilling companion novel to the new Doctor Who spin-off features the group of extraordinary humans (and aliens) from the show, facing down an wholly original threat. Created by New York Times bestselling novelist Patrick Ness, author of The Rest of Us Just Live Here and A Monster Calls. Don't go near the house, whatever you do. It wants the lonely, the lost, the vulnerable. It wants you. Tanya keeps...