The Rags-to-Riches Governess

This is an Apple Books audiobook narrated by a digital voice based on a human narrator.
From impoverished governess…

…to wealthy heiress

Governess Leah Thame learns she’s inherited a fortune the day her employer, the enigmatic Earl of Dolphinstone, returns from abroad. They share an instant connection, but in order to claim her inheritance, Leah must resign and find a husband. The guarded widower offers a convenient marriage to stop her leaving, but Leah refuses. She won’t marry the man who’s captured her heart unless there’s a chance of her love being returned…

From Harlequin Historical: Your romantic escape to the past.

Lady Tregowan’s Will

Book 1: The Rags-to-Riches Governess