Not a good thing to possess--this photograph, Mr.Thresk.Especially because it's the only one in existence and the negative has been destroyed.

So Salak's friends are naturally anxious to get it back." "Do they know you have it ?" Thresk asked.
"Of course they do.

You had proof that they knew five minutes ago when that brown arm wriggled in under the tent-wall." Ballantyne's fear returned upon him as he spoke.

He sat shivering; his eyes wandered furtively from corner to corner of the great tent and came always back as though drawn by a serpent to the floor by the wall of the tent.

Thresk shrugged his shoulders.