Box is in very good condition overall. The top has some damage - severe scuffing and wear along the left edge and corner, and a full closed tear on the left outside edge (see pictures). Some scuffing to all edges and corners and some slight crush marking on the top. 

Underside has light creasing from the corners and some scuffing and slight discolouration near the bottom. 

Both the players companion and the dungeon masters companion rulebooks are in excellent condition,  some stress marks along the spine and some slight discolouration near the spine in a couple of places. 

Isle of Dread module included, in very good condition with several stress marks to spine, some light discolouration near the spine, and rusted staples in the interior but no other markings.