For there was a lighted window in the wall we had descended.
Some imp prompted me to wait behind and explore.

The others followed Hussin and were soon at the far end of the roof, where a kind of wooden pavilion broke the line, while I tried to get a look inside.

The window was curtained, and had two folding sashes which clasped in the middle.

Through a gap in the curtain I saw a little lamp-lit room and a big man sitting at a table littered with papers.
I watched him, fascinated, as he turned to consult some document and made a marking on the map before him.

Then he suddenly rose, stretched himself, cast a glance at the window, and went out of the room, making a great clatter in descending the wooden staircase.