Bestselling author and editor DAVID ELLIOT COHEN has created or coauthored numerous large-format illustrated books that have collectively sold more than 5 million copies. Most were in the hugely popular Day in the Life and America 24/7 photography book series, and four have been New York Times best-sellers. Cohen has been profiled in almost every major periodical and many television news programs. His most recent book, What Matters: The world’s preeminent photojournalists and thinkers depict essential issues of our time, was just published by Sterling Publishing in 2008.