"Here you are, pal. Where do we go from here?"

"Out of town on the east highway. I'll show you. A hill rising out of—Hey, wait a minute! Who's driving this crate?"

Bud looked embarrassed.

"Oh—she is!"

"She?"

"Miss Graham. She—"

"—refused," chimed in Lynn Graham, "to be left out of it. Indeed I did. Captain Russell, you ought to be ashamed of yourself, deceiving us the way you did. When the Sergeant, here, told me who you really were, and what you were doing here, I almost died with excitement! And to think that you, a Captain in the S.I.D., pretended to be a mythologist! It's the funniest thing—"

"Miss Graham," interrupted Rocky impatiently, "there is nothing at all amusing about the job we are engaged in. It is, moreover, no work in which a girl should be involved. You would oblige me by returning to the Fort on the first transport bus—"

"Oh, no! This is a Patrol roller, and I requisitioned it in my own name. Either I drive it or—" Stubbornly—"or it doesn't roll!"

"Very well, then. You may take us as far as the desert path. But there we leave you. And now, let's get going. We have wasted enough time as it is."