1963. First Edition. 279 pages. Illustrated dust jacket over blue cloth boards with lettering. Contains black and white diagrams. Clean pages and diagrams with light tanning and mild foxing throughout. Pen markings to front pastedown. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is bright and clear. Unclipped jacket. Panels and spine have moderate edgewear with chips, tears and creases. Moderate tanning and wear marks to flaps, panels and spine.