“Unscrupulous pilot!” reiterated Al. “Why—the man at The Windsock is a—an ex-pilot.”

“Glory be! That’s so!” Barney nodded.

“Well, from what I saw of him, his face shows that he’s unscrupulous,” added Bob.

“It looks to me, from here,” Barney said, slowly, “it looks to me as though we’ve got the case ‘sewed up.’ All you need to do is to find out, some way, about that ex-pilot—what he does with his time, if he owns a crate yet, and so on.”

“You think?——”

Barney turned to Curt.

“I think,” he nodded, “that ex-pilot might know a lot about a brown ’plane, and about what it did to force another one down——”

“Then we have got the case ‘sewed up’,” Al declared. “We came here last night to see if we could compare a little scrap of writing we found where the ‘plane had been, with the books of letters and things to see if the writing agreed.”

“And what did you find?”

“We had no time to find anything,” Curt admitted. “The other things came up——”