:Wizard Book: n. Hal Abelson's, Jerry Sussman's 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 {bible}s of the LISP/Scheme
world. Also, less commonly, known as the {Purple Book}.
-- The AI Hackers Dictionary