The Biology of Mental Defect, by L. S. Penrose. with a Pref. by J. B. S. Haldane. Completely Rev. with the Assistance of J. M. Berg and Helen Lang-Brown by L . S Penrose
1963. 3rd edition. 374 pages. Mint green jacket over black cloth. Full title: The Biology of Mental Defect, by L. S. Penrose. with a Pref. by J.B.S. Haldane. Completely Rev. with the Assistance of J. M. Berg and Helen Lang-Brown. Pages are mildly tanned throughout. Text is clear. Binding remains firm. Boards have mild edge-wear with bumping to corners. Light crushing to spine. Gilt lettering remains bright and clear. Unclipped jacket. Panels have light edge wear with tears and creasing. Visible tanning to panels & spine.