"Who was the letter from, Luke?" she asked.

"From a friend of the family, who is now dead," answered Luke, gravely.

"Good gracious! How could he write it after he was dead?" ejaculated Nancy.

"It was given to a person to mail who forgot all about it, and carried it in his pocket for a year."

"My sakes alive! If I got a letter from a dead man it would make me creep all over. No wonder your ma came near faintin'."

CHAPTER IV

AN ATTACK IN THE DARK

Luke turned into Milwaukee Avenue, and a few steps took him to West Ohio Street, where his friend lived. On his way he met Tom Brooks, who was lounging in front of a cigar store, smoking a cigarette.

"Good-evening, Tom," said Luke, politely.