It surely looks a problem not easily solved." "Nor is it clear even in my mind," she admitted, evidently relieved by the change of topic, "because I do not know the ending of a certain passage underground.

Yet I have a plan.

Behind the curtain, yonder, a concealed opening leads downward into an underground gallery.

I have ventured to explore it for only a brief distance, but trust it may end under the open sky.

At least our only hope is that you may discover some such ending.