Size: 8vo Octavo (8 to 9 inches). Binding tight, covers & spine fully intact. ISBN: 0642296235. ISBN/EAN: 9780642296238. ** Postage for this light book will be A$6 to Australia , A$10 Worldwide (Untracked). Adjusted after checkout **. Tracked worldwide will be as per shipping charge **VIRUS UPDATE - Orders currently limited to Australia plus Tracked or Express Courier to NZ, North America, Western Europe, Japan and Singapore ONLY due to postal and flight difficulties ** Good luck , keep well and see you on the other side Paperback