No Edition Remarks. 250 pages. No dust jacket. Vol. IV. Blue cloth with gilt lettering and decoration. Contains black and white & colour illustrated plates. Pages are bright, with light tanning and foxing to free endpapers and text block edges. Pencil inscription and slight insect damage to front paste-down and free endpaper. Mild cracking to gutters with exposed netting. Binding remains firm. Rubbing and a few small nicks along text block edge. Occasional thumb-marking present throughout. Plates are bright and clear, with slight tanning to edges. Boards have light shelf-wear with mild corner bumping and slight crushing to spine ends. Minor insect damage to front and rear boards. Boards are subtly bowed. Pale inscription to rear board.