From publisher blurb:
What terrors we shall introduce in the new line known as Unspeakable Things! Vile monsters, horrible foes, disgusting abominations, THINGS THAT SHOULD NOT BE!!!! And yet. AND YET, here we are, with a new a terrible thing known as the fear eater, the foul Phantasmagor. Armed with this diabolic beast, you can subject your players to fears of their own imagining, to harrass them with their worst terrors. You might waver. You might delay. But you know you want this new unspeakable thing. Grab it today. Or else.