Highly recommended; this pair gots acquaintance with not merely-'logical' but the esoteric chops of Reason--to also examine the inseparable brain/mind dilemmas.
In this case, a compulsive-now-perp, his lucid explanations of why he could-not "stop-Self" from proceeding ..and where Mercy might fiit into such an already complex set of postulates

fwiw ..if ya wanna know more about how your meat does certain things you wish that You ..hadn't.