“In here!” at last cried Donald, as he noticed the

door of a house standing partly open. “In here and shut the door!”

Suiting the action to the word, he darted in. The others followed, slamming the door behind them.

It was not a moment too soon, for the next instant the crowd came around the corner and passed down the street, thinking the boys still ahead.

It was pitch dark in the room into which they had stumbled, but Donald produced his electric light and they took a hasty survey of their surroundings.

“Here’s a candle,” he said. “We’d better light it and save our electricity.”

This they did, and as the dim light gave them a better view of the entire place they were all struck with its familiar appearance.

“It seems to me as though I had been in here before some time,” said Billie.

“Me too,” declared Adrian, and he looked about more carefully.

“I’ve got it!” exclaimed Billie. “It’s Villa’s house!”