A Duke by December

When Nathaniel Hughes discovers he is the next Duke of Beckworth, of the utmost importance is finding his duchess and providing an heir. But the only woman he wants is the one he has vowed to protect—even from himself: his secretary, Elizabeth Smith. Can he find the strength to choose duty over desire? Other books in the series: A YEAR WITHOUT A DUKE... 12 cold months. 5 hot Regency-set stories. 1 missing duke. Book 1: JILTED IN JANUARY by Kate Pearce Book 2: FORBIDDEN IN FEBRUARY by Suzanna Medeiros Book 3: SEDUCED IN SEPTEMBER by Genevieve Turner Book 4: AN AFFAIR IN AUTUMN by Jennifer Haymore Book 5: A DUKE BY DECEMBER by Sabrina Darby