Novels:
* Bedelia (1945): A psychological thriller about a woman with a troubled past who becomes entangled in a web of deceit and murder.
* The Bride Wore Black (1940): A classic noir novel about a woman seeking revenge on the men who wronged her on her wedding day.
* Laura (1943): A mystery novel about a beautiful woman found murdered in her apartment, with the investigation leading to a web of secrets and lies.
* The Stranger in the Mirror (1952): A suspenseful novel about a woman who becomes obsessed with a mysterious stranger she believes is her husband.
* The Glass Web (1954): A thriller about a glamorous fashion designer who becomes a target for blackmail.
* The Ninth of October (1955): A novel set in Hollywood, exploring the dark side of the entertainment industry.
* The Other Woman (1962): A suspenseful story about a woman who discovers her husband is having an affair.
Screenplays:
* Laura (1944): Adapted from her novel, this film noir classic starring Gene Tierney and Dana Andrews became a major hit.
* The Bride Wore Black (1969): Another adaptation of her own novel, starring Jeanne Moreau.
* The Strange Affair of Uncle Harry (1945): A dark comedy about a man who inherits his uncle's fortune and becomes embroiled in a murder plot.
Caspary's works are known for their strong female characters, atmospheric settings, and psychological complexity. Her novels and screenplays have been praised for their suspenseful plots and vivid characterizations, making her a significant figure in the genres of suspense, mystery, and film noir.