Cloaks

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

Some doors are better left unopened....

All Bess Nyland wanted to find was a different way out of Mr. Heldrick's basement.
She didn't expect the door she opened to lead into another world. She didn't realize that, within minutes, she'd be running for her life from cloaked, knife-wielding riders. And she never dreamed that, in her struggle to return home, she would receive the most help from a dark and sinister character out of legend.

If she had, she would have taken the stairs....