**A special fiftieth-anniversary edition of a horror classic from James Herbert, bestselling author of * The Rats.***It started with a crack that ripped the earth apart. Then out of the bottomless pit creeps a malevolent fog that leaves a deadly trail in its wake.

**A special fiftieth-anniversary edition of a horror classic from James Herbert, bestselling author of * The Rats.***It started with a crack that ripped the earth apart. Then out of the bottomless pit creeps a malevolent fog that leaves a deadly trail in its wake.

John Holman is on a secret assignment from the Department of the Environment when he is dragged into the clutches of this oppressive fog. After a series of grisly axe murders, rampaging livestock and the near-loss of his own sanity, it becomes clear to John that this unstoppable fog is destined to twist the minds and devastate the lives of all those it encounters.

Yet the true horror is only just beginning . . .** 'James Herbert comes at us with both hands' - Stephen King**