21 Keys: Episode 6

In the psychological thriller "21 Keys," Zoey, a crime scene investigator and hopeless romantic, faces the daunting task of uncovering a notorious serial killer amid a backdrop of mental illness, crime, and romance. Authored by Amy Perez, a licensed psychologist with extensive experience working with mental health patients, the book combines suspense with insightful exploration into psychological themes, making it a compelling and gripping read.