No Edition Remarks. 431 pages. No dust jacket. Brown cloth boards with lettering. Contains black and white and colour illustrations. Fourth Volume Pages 1297-1728. Clean pages and illustrations with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Thumb-marking present. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is darkened. Minor splits to spine ends and corners causing cloth to be frayed. Visible wear marks to boards.