1949. Fifteenth Edition. 981 pages. No dust jacket. Red cloth covered boards with blue strip and gilt lettering to spine. Black and white in text photographs, illustrations and tables throughout. One fold out table. Pages remain bright and clear with minimal tanning and foxing. Binding is slightly slackened. Illustrations, photos and tables are bright and clear. Pen and pencil to both sides of FFEP. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Minor crushing to spine ends. Gilt lettering is bright and clear.