1941. Fourth Edition. 167 pages. Green dust jacket with blue lettering over green cloth. B&W photographs throughout. Frontispiece partly detached. Previous owner's inscription to front endpaper. Minimal foxing and tanning to endpapers and page edges. Mild wear and bumping to spine, board edges and corners, with sunning to spine and board edges. Clipped dust jacket. Mild wear, tear and chipping to edges and corners. Minor tanning and soiling to DJ.