The novel Psycho and its movie adaptation are quite distinct. The movie might have condensed or modified certain story elements to fit the visual medium and time constraints. However, both have their own unique charm.
The movie American Psycho is purely fictional. It's a work of imagination and not rooted in real events. The story and characters were crafted for entertainment purposes.
One popular Psycho Series Novel could be 'Psycho' by Robert Bloch. It's a classic that inspired the famous Hitchcock movie. The story is gripping as it delves into the mind of a disturbed character. Another might be related works in the horror genre that explore psychological thriller elements similar to the Psycho concept.
I'm not entirely sure as there could be many different 'psycho series graphic novels'. Generally, it might involve stories related to psychological themes, perhaps exploring the minds of complex characters, their motives, and the dark or mysterious aspects of human nature.
The true story behind 'Psycho' influenced the movie in many ways. For example, the character of Norman Bates was modeled after the real - life Ed Gein. Gein's abnormal behavior and psychological state were translated into Bates' split personality. Also, the spooky setting of the motel in the movie was inspired by the idea of Gein's isolated and disturbing world.
It might be its focus on the psychological aspect. Most graphic novels don't go as deep into the human psyche as this one might. The exploration of complex emotions and mental states can be really special.