To accomplish his purpose the more readily he got down on his knees and worked like a beaver.

Each brick was carefully replaced, and he had gone over half the space when he was interrupted.

A door opened and shut behind him, and George Richmond started to his feet.

A man stood before him.

“There, don’t draw,” said the person at the door. “It would do you no good, George Richmond. Don’t let me disturb you. Go back to your work.”

Richmond did not stir.

“Go back to your work, I say. I’ll wait till you find it.”

“Find what?”

“You know. Your quest.”

The ex-convict smiled grimly.