"The original book on which this edition is based was published as Blueprint 1 Workbook in 1990" - t.p. verso.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
American blueprint 2. Workbook by Brian Abbs. ISBN 0582229901. Published by Longman. Publication and catalogue information, links to buy online and reader comments.
