A widowed duchess with a plan for her future... A gaming hell proprietor who inherits a dukedom... An arrangement that ignites into passion. The Duchess Gamble is sweeping Regency historical romance with forbidden passion and two people holding cards neither knows how to play.

He inherited the dukedom. She has a plan for freedom. Neither planned on wanting the other.

Celia Calthorp, Duchess of Acaster, is finished with living on the edge of disaster. Widowhood has finally given her the freedom to make her own choices, and she knows exactly what she needs: a wealthy husband to secure her future and the stables she loves. She has a plan. It is going perfectly - until it isn't.

Gabriel Siren has always known exactly where he stands: on the fringes of the aristocracy, where a man like him belongs. Until he inherits the Acaster dukedom. Along with the title comes an estate, sisters who need establishing in society - and a beautiful dowager duchess who was very much not part of his plans.

But Celia might be exactly what he needs. As they work together to secure his sisters' place in the haut ton, neither is prepared for the pull between them - or for what happens when passion sweeps every careful calculation away.

Celia knows that love like this can't last. Gabriel isn't ready to let her go.