'Crushing...intensely vital' Observer'It's impossible to tear yourself away' The Times 'Such brilliant writing about female desire...honest and visceral' Marian KeyesShe's twenty-three and in love with love. He's older, and the most beautiful man she's ever seen. The affair is quickly consuming.

But this relationship is unpredictable, and behind his perfect looks is a mean streak. She's intent on winning him over, but neither is living up to the other's ideals. He keeps emailing his thin, glamorous ex, and she's starting to give in to secret, shameful cravings of her own.

The search for a fix is frantic, and taking a dangerous turn... We're all looking to get what we want - but do we know what we need?