Because of Miss Bridgerton: A Bridgerton Prequel

Tomboyish Billie Bridgerton unexpectedly falls in love with longtime adversary and less-than-ideal match George Rokesby, whose arrogance and wicked sense of humor clash with Billie's proper sensibilities.
#1 New York Times bestselling author Julia Quinn presents the first novel of the delightful Bridgerton Prequel series in a stunning new package. There were Bridgertons before the eight alphabetically named siblings, and in this novel, we go back to where it all began. . .Sometimes you find love in the most unexpected of places...This is not one of those times.Everyone expects Billie Bridgerton to marry one of the Rokesby brothers. The two families have been neighbors for centuries, and as a child the tomboyish Billie ran wild with Edward and Andrew. Either one would make a perfect husband... someday.Sometimes you fall in love with exactly the person you think you should...Or not.There is only one Rokesby Billie absolutely cannot tolerate, and that is George. He may be the eldest and heir to the earldom, but he’s arrogant, annoying, and she’s absolutely certain he detests her. Which is perfectly convenient, as she can’t stand the sight of him, either.But sometimes fate has a wicked sense of humor...Because when Billie and George are quite literally thrown together, a whole new sort of sparks begins to fly. And when these lifelong adversaries finally kiss, they just might discover that the one person they can’t abide is the one person they can’t live without...