1936. Sixth Edition. 306 pages. Illustrated dust jacket over red cloth boards. Gilt lettering. Contains black and white plates. Volume I. Clean pages and plates with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Top textblock edge dyed blue. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Moderate sunning to spine and edges with crushing to spine ends. Visible wear marks to boards. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Moderate tanning, water and wear marks to flaps, panels and spine.