Theirs Books in Order

Theirs is one of the clearest examples of Jess Michaels pushing historical romance into places some readers do not expect it to go. These books are built around poly relationships, most often triads, and they take those relationships seriously as love stories rather than as passing scandal.

That is what makes the series interesting.

From Their Marchioness onward, the books ask what it would mean for three people, often with history already between them, to build something durable in a world that barely allows room for unconventional desire. Sometimes that history is a past love interrupted by marriage. Sometimes it is a long-standing bond between friends or lovers that shifts when a third person enters. Sometimes danger forces a reunion that desire then deepens.

Because the relationships are more complex, Michaels has to spend more time on negotiation, trust, and imbalance, and the series is stronger for it. Class differences matter. Existing marriages matter. Friendship matters. So do jealousy, grief, loyalty, and the fear that one person will always be left outside the circle. Books like Their Countess, Their Bride, and Their Viscountess make those tensions part of the emotional engine, not just decoration.

The series is very sensual, but it is not careless. The best parts are often the conversations and decisions around how these characters might actually share a life, not just a bed. Michaels clearly enjoys giving each triad a different shape and emotional rhythm.

If you are curious about historical romance that is openly erotic, emotionally earnest, and willing to imagine love outside the usual pair-bonded template, Theirs is a distinctive series in her catalog.