Every Wallflower Has Her Thorns by Bronwen Evans

From the bestselling author Bronwen Evans, comes a best friend’s brother, friends to lovers romance.

For Lady Alice Montague, love is a prickly business, especially when she’s in love with her brother’s best friend, Calum, and he doesn’t even know she exists. It’s the age-old problem of being a wallflower. No one ever notices a wallflower. That is, until she mistakenly creates the biggest scandal of the season, and ends up betrothed to the one man she thought she could never have.
For Calum Arden, the Marquess of Skye, and heir to the Galloway Dukedom, love is a word he refuses to use. He has a world to travel and conquer before he is yoked to his future title and duty. So, imagine his horror when he’s trapped in a marriage to his best friend’s little sister. With his plans in ruin, Calum must learn how to make this marriage of convenience work without his heart being torn apart by his wallflower’s thorns