Thank you to Nikki Sloane and Valentine PR for the advance reader copy of The Frat Boy, the fourth story in the Nashville Neighbourhood series. I binge-read the first three books in this series last December, so I jumped at the chance to review the conclusion of this fun and sexy series. Colin Novak is the big man on campus. Huge—if the rumors are to be believed. Nearly every girl at Davidson University has had a ride on him . . . everyone, except me. Which is fine. This frat boy may be irritatingly hot, all carved muscle with a deceptively wholesome smile, but that’s irrelevant. He’s a Sig. When I…