William Deverell is the director of the Huntington-USC Institute on California and the West and a professor of history at the University of Southern California. He has written widely on the nineteenth- and twentieth-century history of California and the far West. Most recently, he is a coauthor, with Tom Sitton, of Water and Los Angeles: A Tale of Three Rivers (2016). His other publications include Whitewashed Adobe: The Rise of Los Angeles and the Remaking of Its Mexican Past (2004) and the coedited volume, Land of Sunshine: An Environmental History of Metropolitan Los Angeles (2004). Deverell is also the editor of Companion to the American West (2004) and a coeditor of other volumes in the Blackwell Companions to American History series, Companion to California History (2008) and Companion to the History of Los Angeles (2014).