Ranjit S. Dighe, PhD, is professor of economics at the State University of New York at Oswego. His specialty is American social and economic history. He has served as president of the Economic and Business History Society. Dighe is the annotator-editor of The Historian's Huck Finn: Reading Mark Twain's Masterpiece as Social and Economics History and The Historian's Wizard of Oz: Reading L. Frank Baum's Classic as a Political and Monetary Allegory. His work has been published in Research in Economic History, Essays in Economic and Business History, Social History of Alcohol and Drugs, and other journals. He has done extensive research on the Great Depression and Prohibition, among other topics. Dighe holds a doctorate in economics from Yale University and a bachelor's degree in economics from Oberlin College.