what book is ahs delicate based on

The twelfth season of American Horror Story, subtitled "Delicate," is based on Danielle Valentines book "Delicate Condition". The novel follows the story of Anna Alcott, a New York City-based actress who deals with newfound fame alongside various failed rounds of IVF. Emma Roberts plays the role of Anna, while Kim Kardashian plays opposite her as a close friend and confidante Siobhan. This is the first time an installment of the anthology has been adapted from existing source material.