a woman serial killer kills to complete book

1933. Hercule Poirot, older and greyer, receives letters threatening murder. The sender signs themselves only as “A.B.C.” When he takes the letters to the police looking for help, Hercule finds all his old friends have moved on. But soon there is a murder and the once-great detective must take matters into his own hands.

A psychological thriller about a man who is sometimes controlled by his murder-and-mayhem-loving alter ego.

A man sends a young architect to build an extravagant garden to bankrupt the husband of the woman he once loved.

Rachel is a criminology student hoping to land a position as a teacher's assistant for professor Robert Starkman. She's sure this position will pave the way to an FBI career, and she's willing to do anything to obtain it -- including killing her classmates. The school psychiatrist, Dr. Daniels, becomes aware that Rachel is insane, but Rachel is skilled at her dangerous game of death and identity theft.

A wealthy New York investment banking executive hides his alternate psychopathic ego from his co-workers and friends as he escalates deeper into his illogical, gratuitous fantasies.

When her husband is framed and imprisoned for serial murders, a doting wife must perform a copycat murder, to prove her husband's innocence.

A female writer of popular thrillers decides that it is time to kill off one of her characters, a serial killer who has appeared in many of her recent books. Soon afterward, she finds herself pursued by a copy-cat serial killer.

A methodical killer is systematically slaughtering a group of women who are connected and bound by the same dark secret.

A horror writer is targeted by a serial killer inspired by her books.