"A thoughtful examination of the machinery of extinction . . . By turns harrowing and elegiac, thrilling and informative." --Michiko Kakutani, The New York Times

Three or four times an hour, eighty or more times a day, a unique species of plant or animal vanishes forever. And yet, every so often one of these lost species resurfaces. "Having adventures most of us can only dream about" (The Times-Picayune), Scott Weidensaul pursues stories of loss and recovery, of endurance against the odds, and of surprising resurrections.

In 1953, birding guru Roger Tory Peterson and noted British naturalist James Fisher set out on what became a legendary journey-a one hundred day trek over 30,000 miles around North America. They traveled from Newfoundland to Florida, deep into the heart of Mexico, through the Southwest, the Pacific Northwest, and into Alaska's Pribilof Islands. Two years later, Wild America, their classic account of the trip, was published.

On the eve of that book's fiftieth anniversary, naturalist Scott Weidensaul retraces Peterson and Fisher's steps to tell the story of wild America today....