The Modern Children's Library of Knowledge Book 4 by Gordon Nunn
1963. 384 pages. Book 4. Pictorial dust jacket with white lettering over grey boards. B&W and colour illustrations and photographs throughout. Clean pages. Mild foxing and tanning to endpapers and page edges. Front hinge cracked. Mild wear and bumping to spine, board edges and corners. Moderate sunning to spine and board edges. Unclipped dust jacket. Moderate wear, tear and pieces missing to edges and corners. Moderate tanning to spine and edges. Moderate soiling to DJ.