Paul Rehak’s Imperium and Cosmos: Augustus and the Northern Campus Martius was unfinished at the time of the author’s lamentably premature death in 2004. The manuscript was subsequently prepared for publication by his longtime partner and colleague at the University of Kansas, John Younger. In its present version, the book offers a concise study of the major Augustan monuments of the northern Campus Martius in Rome, particularly the Mausoleum, the Ustrinum (cremation site) of Augustus,...