Hardback with black black vinyl boards and title insets to spine and front cover, in very good minus condition. A little damp damage evident to front and back cover and foxing to endpapers.  Text block edge tanned along top edge. Dust wrapper is in good minus condition, with sections missing to the back, spine and edges.  Interior clean and bright. Part of the To-day and To-morrow Series.   Twenty pages listing the series, together with classified index, follows the text.