A Mesoamerican Culture: In the Land of the Olmec . Michael D. Coe and Richard A. Diehl. University of Texas Press, Austin, 1980. Two volumes + maps, in slipcase. Vol. 1, The Archaeology of San Lorenzo Tenochtitlán. viii, 416 pp., illus. Vol. 2, The People of the River. vi, 198 pp., illus. $100. Dan Danciger Publication Series.