"Good for him," exclaimed Hugh. "What did Frank think of that?"

"He was mad," said Bob, and he told his friend of the threat Frank had
made. Hugh was silent for some time.

"We must watch him pretty closely," he said at length.

"Yes," Bob agreed, "and his father too."




CHAPTER IV

HEINRICH AND PERCY


"Bob!" exclaimed Mrs. Cook as her son arrived home that afternoon. "What
have you been doing to get that black eye?"

Bob related the story of his fight with Frank Wernberg. He did not tell
her of the threat Frank had made against him and his "whole family,"
however, for he had no desire to cause any alarm. His mother listened
with a troubled countenance.

"Oh, Bob," she said. "I wish you wouldn't fight like that."

"But he insulted the United States, and father too," Bob insisted.

"I know," she admitted. "Still I hate fighting so. One boy in the family