Chapter 15 THE EXAMINATION OF SONIA

M. Formery gasped: "The real track?" he muttered.

"Let me show you," said Guerchard. And he led him to the fireplace, and showed him the opening between the two houses.

"I must go into this myself!" cried M. Formery in wild excitement.

Without more ado he began to mount the steps. Guerchard followed him. The Duke saw their heels disappear