Hal Abelson, Gerald sussman and Julie sussman' s "structure and Interpretation of Computer Programs" (MIT Press, 1984 IsBN 0-262-01077-1), an excellent computer science text used in introductory courses at MIT. so called because of the wizard on the jacket. One of the bibles of the LIsP/scheme world. Also, less commonly, known as the Purple Book. [Jargon File] (1995-01-10)
