VGC.Orion Books,2010.First paperback edition-first printing(1 3 5 7 9 10 8 6 4 2).Large format paperback(small nicks and crease on the edges of the cover and spine) in VGC.Illustrated with b/w drawings,diagrams.Nice and clean pages with two small marks and light shelf wear on the outer edges,some creases and light shelf wear on the edges of the pages.465pp.Heavy book.