The Land of Houlouf: Genesis of a Chadic Polity 1900 BC–AD 1800. Holl Augustin . 2002. Memoirs of the Museum of Anthropology, University of Michigan, Number 35. Museum of Anthropology, University of Michigan, Ann Arbor, Michigan, xvi 271 pp., figures, tables, appendix, bibliography. $30.00 (paper).