Worlds of Tomorrow Magazine. This is the 1963 December issue of Worlds of Tomorrow. It contains stories by J.T. McIntosh, Jerome Bixby and Philip K. Dick. It also contains The Creature Inside by Jack Sharkey. It is in good condition. There is wear, discolorations. staining and some warping to the covers. There is also some creasing and small dings/tears. The pages have yellowed over time but are in good shape.