Tired of the pace and noise of life near London and longing for a better place to raise their young children, Mary J. MacLeod and her husband encountered their dream while vacationing on a remote island in the Scottish Hebrides. Enthralled by its windswept beauty, they soon were the proud owners of a near-derelict croft house—a farmer's stone cottage—on "a small acre" of land. Mary assumed duties as the island's district nurse. Call...