Spreading across the top of North America from Alaska to Newfoundland, and sweeping across the breadth of Russia to the fjords of western Scandinavia is the great northern forest.

An immense swatch of spruce, fir, larch, and aspen, it is arguably the largest forest ecosystem in the world. In Life in the Boreal Forest, noted science writer, naturalist and wildlife photographer Wayne Lynch examines the animals and plants of this mighty forest as the seasons unfold.