These files are from the book

PROLOG PROGRAMMING IN DEPTH
by Michael A. Covington, Donald Nute, and Andre Vellino
(Prentice-Hall, 1997)

They do not include answers to exercises.

The authors do not distribute answers to exercises
and do not maintain a file of answers.
Please do not ask for this file; it does not exist.

For more information see:
www.ai.uga.edu