It is traditional for the author to magnanimously accept the blame for whatever deficiencies remain. I don't. Any errors, deficiencies, or problems in this book are somebody else's fault, but I would appreciate knowing about them so as to determine who is to blame.
Steven S. Skiena
Department of Computer Science
State University of New York
Stony Brook, NY 11794-4400
http://www.cs.sunysb.edu/ 
skiena
May 1997