"I think I have sprained my ankle. Help me upstairs to my office," said the old man.
He pointed to a staircase leading up from the sidewalk.
"All right," said Sam. "Lean on me."
CHAPTER XX. — SAM GETS INTO A NEW BUSINESS.
Sam helped the old man up two flights of stairs.
"Shall we go any farther?" he asked.
"No; that's my office," said his companion, pointing to a door, over which was the number 10. From his pocket he drew a key, and opened the door. Sam entered with him. The room was small. One corner was partitioned off for an inner office. Inside was a chair, something like a barber's chair, and a table covered with instruments. Sam's curiosity was aroused. He wondered what sort of business was carried on here. He also wondered whether he would get anything for his trouble.
"If you don't want me any longer I'll go," he said, by way of a delicate hint.