Purgatorio by F. Javier Beristain Labaca is a "hypnotic" psychological thriller and the second installment in the Almas Perdidas series, focusing on a complex investigation involving a missing Goya painting, a deadly poison, and a child-trafficking ring. The novel is noted for its deliberate pacing and examination of the "torments of the soul," holding an average rating of 3.9 out of 5 stars. Detailed reader reviews and purchasing options are available on Amazon Spain .