CHAPTER 10Museum She smiled dazzlingly. And for one flash of an instant I knew who she was. I knew why my eyes had been drawn back in puzzled surprise to Letta Essen lying with curious unexpected grace on the cavern floor. I met this girl’s shining gaze and for that one instant knew I was looking straight into the keen gray eyes of Letta Essen. The moment of certainty passed in a flash. The girl’s eyes shifted from gray to luminous blue, the long lashes fell and the unmistakable identity of a woman I knew vanished. But the likeness remained. The familiarity remained. This girl was Letta Essen. My mind, groping for similes, seized at first on the theory that in some fantastic way Dr. Essen herself stood here before me masked by some science of beauty beyond the sciences I knew, in a she

