"What do you think of that?" demanded Hugh. "What'll we do?"

"Follow them," said Bob quickly. "You follow him and I'll trail Lena."

Without another word the two boys separated.




CHAPTER XXII

BOB ACTS QUICKLY


Bob had almost lost sight of Lena through this temporary delay and he
hurried ahead through the crowd, bumping into several people, and drawing
black looks from many for his rudeness. He was in a hurry, however. He
had to catch up with Lena, and there was no time to be polite.

Lena too was hurrying. She threaded her way in and out among the throngs
of people, and Bob was hard put to it to keep pace with her. As he rushed
along he became more and more puzzled and confused as to what was taking
place. There was no doubt in his mind that Lena and Heinrich were working
in the interests of Mr. Wernberg and therefore were to be watched
closely. Apparently Lena was in league with the fake detective too, else
why should he stealthily slip a communication into her hand?

But the detective had blown up the house when Mr. Wernberg was within it
and had nearly caused his death. If they were all working together how