Before Craig was a mirror. As he looked into it, at an angle, he
could see a part of the decorations of the wall behind him
actually open out. For an instant the evil face of Wu Fang
appeared.

Without a word, Craig walked into the back room. As he did so, Wu
Fang, knife in hand, stealthily opened the sliding panel its full
length and noiselessly entered the room behind me. With knife
upraised for instant action he moved closer and closer to me. He
had almost reached me and paused to gloat as he poised the knife
ready to strike, when I heard a shout from Kennedy, and a scuffle.

Craig had leaped out from behind a screen near the doorway to the
back room where he had hidden to lure Wu on. With a powerful
grasp, he twisted the knife from Wu's hand and it fell with a
clatter on the floor. I was at Wu myself an instant later. He was
a powerful fighter, but we managed to snap the handcuffs on him
finally, also.

"Walter," panted Kennedy straightening himself out after the
fracas, "I'll stay here with the prisoners. Go get the police."

I hurried out and rushed down the street seeking an officer.

Up in the den, Wu Fang, silent, stood with his back to the wall,
scowling sullenly. Close beside him hung a sort of bell-cord, just
out of reach. Kennedy, revolver in hand, was examining the
writing-table to discover whatever evidence he could. Slowly,
imperceptibly, inch by inch, Wu moved toward the bell-cord. He was
reaching out with his manacled hands to seize it when Kennedy,