N> 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)