The Order no. is SCH1SH
The ISBN no. is 0-262-19349-3
Inquiries can be directed to email@example.com or check MIT Press's web page for the book.
If ordering from Europe, order from the MIT Press, Fitzroy House, 11 Chenies Street, London WC1E 7ET. There is a softcover edition available in Europe; the ISBN no. is 0-262-69171-X.
See Gary Leaven's Teaching About Programming Languages web page for additional information.