Hardcover, 336 pages
Published Feb. 24, 2009 by Doubleday.
Hardcover, 336 pages
Published Feb. 24, 2009 by Doubleday.
A group of scientists undertake an expedition to Alaska's Federal Wilderness Zone to study the effects of global warming. The expedition changes suddenly on a routine foray into a glacial ice cave, where the group makes an astonishing find.