viii, 246pp. Printed cloth-covered boards, black and white photograph on front, black titles on front and spine, several black and white photographs, charts and diagrams. 8vo. Boards very lightly stained. Shelf number sticker at heel of spine. Spine ends and corners moderately rubbed and rounded with cloth wearing through. Text block edges lightly tanned. Front endpapers have lender's bookplate and lending sheets, front endpapers moderately stained, front free endpaper has a <5cm section of damage on verso. Occasional light staining through prelims. Copyright page has an lender's stamp. Page margins starting to tan. Otherwise internally neat and tight.