Susan Schrepfer is Associate Professor of History at Rutgers University and Director of the Institute for Secondary TeachersPhilip Scranton is the Board of Governors Professor of History at Rutgers University, and Director of Research at the Hagley Museum and Library.

• Preface, Philip Scranton Introduction: The Garden in the Machine: The Anatomy of Evolutionary History, Edmund Russell Part One: Plants, Profits, Politics, and Power For Profit and Pleasure: Peter Henderson and the Commercialization of Horticulture in 19th Century America, Susan Lanman Biological Innovation in American Wheat Production: Science, Policy, and Environmental Adaptation, Alan Olmstead and Paul Rhode Nature and Profit: A Cuban Sugar Plantation in the Early Twentieth Century, Mark J. Smith Manufacturing Green Gold: A History of Industrial Tree Improvement in the United States, William Boyd and Scott Prudham Part Two: Animals, Aggression, Arrogance, and Analysis War Horses: Markets, Myths, and Equine Technology in the American Civil War, Ann Greene Turbo-Cows: Producing a Competitive Animal in 19th and Early 20th Century Switzerland, Barbara Orland Modeling Animals as Technologies and Patients: The Historical Production of Hemophiliac Dogs in American Biomedicine, Stephen Pemberton Making the Chicken of Tomorrow: Reworking Poultry as Commodities and as Creatures, 1945-1990, Roger Horowitz Hogs, Antibiotics, and the Industrial Environments of Postwar Agriculture, Mark R. Finlay Afterword, Susan Schrepfer