Climax by Lauren Smith

It’s time for Kat to face the truth. She can’t resist sexy playboy Tristan–he’s too deliciously seductive, and much too good at making her melt, body and soul. With photographic proof plastered all over London, the whole world now knows she’s fallen for this British bad boy.

There’s just one problem. Their parents got married and now Tristan is her stepbrother. They shouldn’t be together, but Tristan always gets what he wants, and he wants her more than anything. Behind closed doors, this only makes every moment they spend together hotter, every kiss deeper, as the passion between them blazes higher . . .