The Eskimo Invasion

From the back of the book:
Dr. West was puzzled, frustrated, and mad.
He knew something was wrong up there in Boothia Sanctuary, but what?
Why, really, did the government want to keep him out? He didn’t for a moment believe the spurious political excuse of preserving a “cultural sanctuary” intact. What were they hiding? What could possibly be wrong with a harmless, lovable group of Eskimos?
Dr. West could never leave a puzzle alone. Besides, if he went up there, maybe he could get proof.
Of something.
Unfortunately, even when he did, no one believed him…