Books like The Secret of Holly Green Manor by Karen Cogan

When novelist Owen Quine disappears, private detective Cormoran Strike is hired to find him, only to uncover a deadly plot tied to Quine’s controversial manuscript that could destroy many lives.

Whitney Stone returns to England after Paris triumphs, poised to win her childhood love. To protect his fortunes, her father marries the proud Duke of Claymore, turning Whitney into a prized bargaining chip among high society.

When Tolly moves in with his great‑grandmother at the ancient, mist‑shrouded Green Knowe, he discovers the house’s hidden past and befriends three children who have lived there since the seventeenth century.

Opera singer Maggie Tressider wakes in hospital after an accident, convinced she killed someone—she hires private investigator Francis Killian to uncover the truth, leading them across Europe and into the Austrian Alps.

A Regency romance where shy Elizabeth Anne Fitzgerald meets the enigmatic Tyrell de Warenne at a masquerade, sparking a love that will test deception, family ties, and their ability to confront scandal in a world of hidden identities.

A series of murder mysteries by Agatha Christie featuring the detective Hercule Poirot.

Lord James Hamilton, a celebrated rake of London, faces a changing heart when feisty Lady Anne Curzon‑Howe captures his attention, challenging his libertine ways and forcing him to choose love over leisure.

Lady Katharine is trapped between two impossible choices. Either she will marry the cousin she despises, or marry Philip, to whom she was pledged in childhood. The prospect of staying at her family estate with her uncle and cousin is so unfavorable that she chooses Philip to avoid an immediate attachment to her cousin. Suddenly, the accidental deaths of her traveling companions offer her the chance she has awaited. With no one left alive to vouch for her identity, she hatches a brilliant plan to exchange identities with her lady's maid, who was killed in the accident. But when the impersonation fools Philip, formerly her betrothed, she learns that it might have been a terrible mistake. Lady Katherine soon finds herself like a spider caught in her own web. When she is discovered in her lie, she must confess all, with disastrous results that leave her to wonder if she'll ever regain Philip's trust.

Set on Britain’s rugged eastern coast, "Captain Jack's Woman" follows the seductive clash between smuggler Captain Jack and his ward, Kit Cranmer, as they trade midnight gallops for a forbidden romance amid the perils of illicit trade.