"Ah, Brisket was trying to pump me a week ago," he said, confidentially.
"I see it all now."

The others glared at him luridly.

"He said that he had seen us through the skylight studying a paper,"
continued Mr. Chalk, shaking his head. "I thought at the time you were
rather rash, Tredgold."

Mr. Tredgold choked and, meeting the fault-finding eye of Mr. Stobell,
began to protest.

"The thing Brisket couldn't understand," said Chalk, gaining confidence
as he proceeded, "was Stobell's behaviour. He said that he couldn't
believe that a man who grumbled at the sea so much as he did could be
sailing for pleasure."

Mr. Stobell glowered fiercely. "Why didn't you tell us before?" he
demanded.

"I didn't attach any importance to it," said Mr. Chalk, truthfully.
"I thought that it was just curiosity on Brisket's part. It surprised me
that he had been observing you and Tredgold so closely; that was all."

"Pity you didn't tell us," exclaimed Tredgold, harshly. "We might have
been prepared, then."

"You ought to have told us at once," said Stobell.