This book can be read for two main reasons: for the excellent insight on porteño life, and also for its insightful treatment of the human condition. It was so incredibly easy for Juan Pablo to fall from the position of normality to murder withing the course of a relatively short novel. His jealousy, the way his mind worked, the paranoia, the obvious obsession with María. It is hard to know who to feel most sorry for, for all of the principal characters are flawed and unhappy in many ways. The subject is masterfully takled by Sábato, and is a great introduction to his other works, as to other Argentine literature.