VGC.Addison Wesley,1991.First edition-first printing(1 2 3 4 5 6 7 8 9 10).Large format paperback(some creases and nicks on the cover and spine) in VGC.Illustrated with b/w drawings,tables.Nice and clean pages with some colour marks,ink marks and nicks on the outer edges,small creases and nick on the edges of the pages.The book is in VGC with light shelf wear.631pp including index.Heavy book(approx. 1.1 kg).First edition.