From Pulitzer Prize winner Annie Proulx - whose novels are infused with her knowledge and deep concern for the earth - comes an urgent and riveting history of wetlands, their ecological role and how the loss of them threatens the planet. Fens, bogs, swamps and marine estuaries are the earth's most desirable and dependable resources, and in four illuminating parts Proulx documents the emergence of their systemic destruction in the pursuit of profit...