1949. Thirty-Third Edition. 115 pages. Dust jacket over grey cloth. Black and white illustrations throughout. Book is in better condition than most examples of this age. Neat, clean, well bound pages with very minimal foxing, tanning and thumbing. Small inscriptions and neat labels may be present. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and sunning. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Moderate water staining to surfaces. Heavy tanning to spine. Pen to rear panel. Light rubbing and marking all over.