1952. Fourth Edition. 285 pages. Illustrated dust jacket over blue cloth boards. Gilt lettering. Clean pages with light tanning and mild foxing throughout. Front free endpaper is missing. Ownership plate stuck to front pastedown. 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. Minor wear marks to boards. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Moderate tanning and wear marks to flaps, panels and spine.