1930. 2nd Edition, Revised. 191 pages. No dust jacket. This is an ex-Library book. Brown cloth with decorations. Black and white photographs and illustrations throughout. Ex-Library copy, with expected inserts and inscriptions. Slight cracking to gutters and hinges causing binding to be loose, however pages remain attached. Pages and photographs have light tanning and foxing throughout. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Fraying to cloth to rear board edge.