Cloaks

"A TREASURE!" --Hugo and Nebula winner Mary Robinette Kowal

Old Mr. Heldrick is every bit as dangerous as the kids imagine--not because he's a demented killer but because his house hides a portal to another world, and he's the guardian. When Bess is caught in his basement, she's forced to flee through that doorway, not knowing where it leads.

She finds herself in a nightmare world controlled by black-cloaked, knife-wielding horsemen. Within minutes she's on the run. Lost and hungry, she steal...