1957. Reprint. 72 pages. Paperback book with blue cover. Clean pages with mild tanning and minimal foxing throughout. Tightly bound with faint thumb-marking throughout. Ink stain to p.42. Mild annotations and marginalia to pages throughout. Paper cover has mild edge wear with mild corner curling. Moderate tanning to spine and to cover edges. Pencil inscriptions to front cover. Notable scratching and marking to covers.