1966. First Edition. Unpaginated. No dust jacket. This is an ex-Library book. Brown cloth with gilt titles to spine. Book has been rebound by library, with expected inserts, stamps and inscriptions. Includes illustrated plates. A Science Museum illustrated booklet. Pages have slight foxing, tanning and minor thumbing. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. Gilt is bright.