On Polar Tides

In 1981, Nigel Foster flew to Canada’s Baffin Island to begin a solo kayak trip south toward northern Labrador. After crossing the 40-mile wide Hudson Strait in howling winds and fighting a 10 knot tide race, Foster crash-landed on a small island in the dark. He had frostbitten fingers and was 300 miles from the closest village. With unimaginable good fortune, eight days later he ran across an oil...