Imperial (book)
 Imperial is a 2009 study of south-east California by American author William T. Vollmann. The product of over a decade's research the 1344-page published text is Vollmann's longest single-volume work. The book is divided into thirteen sections and explores the history economics and geography of the region from 13000 B.C. to the present day with a particular focus on the border with Mexico.Vollmann has called Imperial my Moby-Dick.