Keir Graff

Twin brothers discover their new home is also a portal—for an hour a day—to a parallel dimension in this spine-chilling middle-grade adventure, perfect for fans of The Mysterious Benedict Society
Twelve-year-old twins Colm and Mal might look identical, but they’re different in just about every other way. The one thing they can agree on is that neither brother wants to move to Chicago for a fresh start with their mom two...