The Castle of the Hidden Grotto is a series of erotica by American author Louisa Burton (Patricia Ryan). The Castle of the Hidden Grotto is a “voluptuous sanctuary of pleasure and passion” in the form of an ancient castle that is located in a deep mountain valley in the middle of the French countryside. Those […]

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Patricia Ryan is an American author of romance (including contemporary, historical and erotic) and mystery novels. She writes romance novels under her real name, historical mysteries as P.B. Ryan and erotica as Louisa Burton. She is the author of the Nell Sweeney/Gilded Age Mysteries and Castle of the Hidden Grotto series. Patricia has won the […]

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