1977. 11th edition . Unpaginated. Pictorial dust jacket over blue cloth and gilt lettering housed in a pictorial slipcase. Coloured maps throughout. Binding remains firm.Pages & maps remain bright with minimal tanning. Boards have light edge-wear with slight rubbing to surfaces and spine is presentable with minimal crushing and tanning. Unclipped jacket. Jacket has light edge-wear with closed tears and creasing. Slipcase has light edge-wear with minor markings to panels.