Description：Spanish thriller. Based on the masterpiece of Spanish mystery novelist Dolores Redondo, "The Invisible Guardian", one of the Bastán trilogy, this is the most sensational crime suspense novel in Spain in recent years. It is more thrilling than "The Silence of the Lambs" and "Criminal Minds". It has topped the Spanish bestseller list for three years. It tells the story of a serial murder case in the Basque region. A police officer who was trained by the FBI returns to his hometown in Navarra to hunt down a killer who specifically targets local teenagers, and has to face his past psychological [email protected]