1930. Second Impression. 252 pages. Yellow dust jacket over blue boards with blue lettering to spine and front. Part of Home University Library of Modern Knowledge. Number 140. Edited by Charles S. Myers. Black and white illustrations. Binding remains firm. Couple of cracked gutters. Crinkling to remaining gutters. Pages remain bright and clear with minimal tanning. Boards have mild edge wear with slight rubbing to surfaces. Crushing to spine ends. Tanning to spine and edges. Lettering is darkened. Unclipped jacket has light edge wear with minor tears and chipping. Mild rubbing and marking. Hole to spine. Tanning to spine and edges.