Sir Thursday: The Keys to the Kingdom 4

Out-of-this-world magical adventure series for teens from the award-winning, New York Times bestselling author of Sabriel and the Old Kingdom series.

Seven days. Seven keys. One very unlikely hero.

IT''S THURSDAY. Following their adventure on the Border Sea, Arthur and Leaf are set on heading home. But only Leaf can make it through the Front Door. Arthur is blocked because someone - or something - ...