1959. No Edition Stated. 159 pages. No dust jacket. This is an ex-Library book. Red cloth with gilt titles to spine. Expected library inserts, stamps and inscriptions. Includes various diagrams. Pages have slight foxing, tanning and minor thumbing. Faint creases to some pages. Slight liquid stains to front pastedown. 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. A few liquid droplet marks to rear. A ring mark to front board. Gilt is dulled and worn. Book has a moderate forward lean.