Behind the Curtain (en Inglés) - W.R. Gingell

The world Between is full of dangers, shadows, and reflections. Athelas knows the dangers, is one with the shadows-and has finally encountered a reflection that could be just a bit too much like himself for comfort.

The house master has come back. Nobody will quite say who he is, or why he owns the house. And to Athelas' growing irritation, no one will talk about the oddly powerful influence the house master seems to have over Camellia.

YeoWoo knows exactly who and what the house master is-and she knows exactly how much danger Camellia is in. The question she can't quite seem to answer is: How much safer is it to put Camellia into Athelas' power than to leave her in the house master's power?

There are nightmares skulking in the corners. Pieces of curse lingering beneath the couch. And soon Camellia will have to make a choice between two evils.

To add insult to injury, the teapot has gone missing...