"What do you say to to-morrow night." "Why not to-night ?" said Ralph.

"I'm willing.

Then we'll go to-night.
What time ?" "It ought to be after our people are gone to bed.

We should have to come out unknown." "Yes, I forgot that.

Then it would have to be ten o'clock first, and it would take us quite an hour to get quietly up to the mouth of the cave." "Yes, with a lantern under a cloak, and every man a torch," said Ralph.
"Oh, I say, you are good at this sort of thing," cried Mark eagerly.