1948. First Edition. 184 pages. Brown cloth boards with gilt lettering. Contains black and white illustrations. Clean pages and illustrations with noticeable tanning and foxing throughout. More pronounced to free endpapers and pastedowns. Pen inscription to front free endpaper. Bookseller sticker stuck to front pastedown. Last two folded diagrams are torn into separate pieces. 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. Minor splits to spine ends and corners causing cloth to be frayed. Book has a slight forward lean. Visible wear marks to boards.