ISBN 9780961720704 books & textbook
Comprehensive Chess Course Volumes I & II (Chess Course Volumes 1 & 2 From beginner to advanced player in 24 lessions 3rd Revised and Enlarged Edition, Volume 1 & 2)
Chess Information and Research Center /1987T Paperback / 303 Pages
isbn-10: 0961720700 / isbn-13: 9780961720704