1930. First Edition. 252 pages. Yellow dust jacket over blue boards with blue lettering to spine and front. Part of Home University Library of Modern Knowledge. Number 147. Binding remains firm. Crinkling to gutters. Pages remain bright and clear with minimal tanning. Occasional foxing. Boards have mild edge wear with slight rubbing to surfaces. Crushing to spine ends. Tanning to spine and edges. Lettering is bright and clear. Unclipped jacket has light edge wear with minor tears and chipping. Mild rubbing and marking. Heavy tanning all over.