Twenty Plus Two (1961)

Private eye Phillip Marlowe wants to get out of the detective racket and into crime writing. But when he's called to the office of editor Adrienne Fromsett, it's not to talk about his story ideas — she wants him to locate the missing wife of her boss, Mr. Kingsby. The assignment quickly becomes complicated when bodies start turning up.

Society sleuths Nick and Nora Charles investigate a murder in a jazz club.

Adrian Messenger, a famous writer, asks his friend Anthony Gethryn, a former British agent, to help him investigate the whereabouts of the people who appear on a list, without asking him the reason why he should do so.

On a trip to visit his parents, detective Nick Charles gets mixed up in a murder investigation.

Not even the joys of parenthood can stop married sleuths Nick and Nora Charles from investigating a murder on a Long Island estate.

Vacationing on historic Nantucket Island, a teenage mystery writer and her friends must outwit two scheming thieves to solve the secret behind a legendary ghost story.

Former prosecutor-turned-therapist Hailey Dean is a powerhouse, Mensa bright, and acutely observant. During a tragic week, one of her patients loses her parents to separate fatal accidents along with millions of dollars that has seemingly vanished into thin air. When the police begin to question Hailey's patient, shes knows she is innocent. But who is the culprit?

Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.

In the small resort town of Lighthouse Cove, everyone knows that the best man for the job is a woman. And that woman is Shannon Hughes, owner of a construction company and an expert in Victorian home restoration and renovation. Through her renovations she will find clues to uncover the house’s secret past and in turn become an unlikely sleuth to help crack these unsolved mysteries

With The Cookie Jar, Hannah Swensen has a mouthwatering monopoly on the bakery business of Lake Eden, Minnesota. But when a rival store opens, and one of the owners is found shot to death in the store, Hannah is determined to prove that she wasn't the only one who had an axe to grind with the Quinn sisters. Somebody wasn't fooled by the Georgia Peaches and their sweet-as-pie act--and now it's up to Hannah to track down whoever had the right ingredients to whip up a murder.