1952. Fourth Edition. Unpaginated. Pictorial dust jacket over yellow paper covered boards with blue cloth spine and gilt lettering. Contains black and white plates throughout. Slight crinkling to paper at gutter. Clean pages and plates with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Heavier tanning to free endpapers. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Slight crushing to spine ends. Lettering is bright and clear. Minor wear marks to boards. Unclipped Jacket. Panels and spine have light edgewear with tears and creases. Minor loss to panel. Moderate tanning and wear marks to flaps, panels and spine.