The Imp of the Perverse (+Biography and Bibliography) (6X9po Matte Cover Finish):In the consideration of the faculties and impulses of the prima mobilia of the human soul, the phrenologists have failed to make room for a propensity which, although obviously existing as a radical, primitive, irreducible sentiment, has been equally overlooked by all the moralists who have preceded them. In the pure arrogance of the reason, we have all overlooked it.