"I wonder whether it's any use looking for the rest." They searched through every page of the heavy code books in vain.

Then they returned to their study of the single page.

Nigel dragged down an atlas and studied it.
"Kroten," he muttered.

"Here it is,--a small place about six hundred miles from Petrograd, apparently the centre of a barren, swampy district, population thirty thousand, birth rate declining, industries nil.

Cheerful sort of spot it seems!" "I have more luck than you!" Maggie cried, her finger tracing out a line in the open telephone book.