The World of Numbers by Herbert McKay
1946. No Edition Stated. 198 pages. Black & blue dust jacket with B&W lettering over grey cloth. Clean pages. Minimal foxing and tanning to endpapers and page edges. Mild wear and bumping to spine, board edges and corners, with scuffing and marking to boards. Minor tanning to spine and board edges. Unclipped dust jacket in protective plastic cover. Mild wear, tear and loss to edges and corners. Moderate staining and soiling to DJ, with small scuff to rear.