“These will be valuable to us if we have to stay here any length of time,” remarked Jack.

“You don’t think the Arctic will return, do you?” inquired Will.

“It may. Anyway, we seem to be on solid ground, and, as you observe, the sea is quite open beyond. We will remain here for a few days.”

“And freeze to death, as we came very nearly doing last night?”

“No; we must provide for that.”

“How?”

“By building a house.”

“There is no wood,” suggested Tom.

“We don’t need any.”

“What will you build the house of then?”