1946. No edition stated. 79 pages. No dust jacket. This is an ex-Library book. Green cloth with silver titles to front and spine. Expected library inserts, stamps and inscriptions. Includes photographic plates. Fold-out chart to rear. Pages have slight foxing, tanning and minor thumbing. Gutters slightly cracked with exposed netting. A few dog-eared corners. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. Silver titles are bright. Book has a moderate forward lean. Spine is slightly sunned.