Important note: These programs are from the book: Natural Language Processing for Prolog Programmers Michael A. Covington Englewood Cliffs, NJ: Prentice-Hall ISBN 0-13-629213-5 First edition (copyright 1994), released August 2, 1993. The programs on this disk are documented in that book. We cannot undertake to assist people who are attempting to use the programs without the book. The file 'errors.txt' contains a list of errors known to appear in the printed edition. They will be corrected in subsequent printings. At present, answers to the exercises are not distributed. However, any instructor who would like assistance is welcome to contact the author.