No edition stated. 198 pages. No dust jacket. Green cloth with gilt titles and decoration to front and spine. Includes various diagrams, some fold out. Pages are rather marked with heavy foxing in places. Some tanning too. Fold-out diagrams have pronounced foxing and tanning and some creases. Boards have some edge wear, with moderate bumping and fraying to corners, while spine ends are slightly crushed and frayed. Rather scratched, rubbed and marked overall. Ink stains and a price sticker to rear. Gilt is bright. Book has a moderate forward lean.