Bowman, Valerie. Wallflowers' revolt #1

"Lady Georgiana Chadwick has had enough. Enough of her spendthrift father, enough of her indolent brother, and certainly enough of her lecherous fiancé--the ancient Marquess of Henderville. With her escape carefully planned, all Georgie needs is a bit of luck. ... Jason Pemberton, the Earl of Pembroke, is a man haunted by an unforgettable mistake, whose sworn to keep his heart under lock and key. Watching over Georgiana should have been a simple favor. But nothing about the spirited young woman is simple--not her sharp tongue, her too-keen eyes, or the way she fits in his arms like she belongs there. When Georgie's escape plan puts them both at the center of scandal, Jason must choose: protect her reputation...or claim her as his own"--Page 4 of cover