Orrin H. Pilkey is the James B. Duke Professor of Earth and Ocean Sciences and Director Emeritus of the Program for the Study of Developed Shorelines at Duke University. He is the author of A Celebration of the World's Barrier Islands, among other books. William J. Neal is Emeritus Professor of Geology at Grand Valley State University and coauthor, with Orrin Pilkey, of How to Read a North Carolina Beach: Bubble Holes, Barking Sands, and Rippled Runnels. Joseph T. Kelley is a Professor of Marine Geology at the University of Maine and Chair of the Earth Science Department. He is a co-author with Orrin Pilkey and William Neal of Atlantic Coast Beaches. Andrew Cooper is Professor of Coastal Studies and head of Coastal Research in the School of Environmental Sciences at the University of Ulster in Northern Ireland.