Thirtieth edition 1970. 530pp. In red cloth-covered boards with gilt lettering on front and rear panels and spine. 12mo. Cloth gently rubbed and rounded at corners and spine ends.. Two pages are tabbed and the tabs are a little bumped. Internally neat, clean, bright and tight. Includes original accompanying bookmark, bound in with yellow cord. Includes numerous contemporary adverts, several of which are printed in two colours.