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THE CONSERVATION EASEMENT HANDBOOK: MANAGING LAND CONSERVATION AND HISTORIC PRESERVATION EASEMENT PROGRAMS

means of teaching and illustrating basic design principles. The authors do not directly discuss these issues, although they indicate that many of the basic principles presented in the text are applicable to interactive computer graphics systems which use command language or menus: "... in practice, graphics procedures are often embedded in computer-aided design programs..." (p. 221). The apparent assumption, however, is that most interactive computer graphics systems are too limited, and in order to successfully use computers as design tools, designers need programming experience. Our own experience would suggest that the authors are absolutely correct in this assumption, but even if one disagrees that knowledge of graphics programming is essential in design education and practice, there is still much to be gained by reading this book. Gary Kessler and DougJohnston are on the faculty of the Department of Landscape Architecture, the University of Illinois at Urbana-Champaign, 214 Mumford Hall, 1301 W. Gregory Drive, Urbana, IL 61801.