Source : Free On-Line Dictionary of Computing

Wizard Book
     
         {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)