In the latest Harlequin Romance from Rachael Stewart, for this billionaire, spending the summer with his best friend's little sister is complicated...by his forbidden feelings for the heiress!Forbidden attraction...or forever fling?I've always been drawn to heiress Avery Monroe, but I've also known how completely off-limits she is! We haven't spoken since I rejected her kiss three years ago. Now, her brother's meddling means Avery's spending the summer with me at my castle in Croatia. I promised to protect her, but uncovering Avery's secret battles, I can't keep my true feelings hidden. Will our passion finally be unlocked?From Harlequin Be swept away by glamorous and heartfelt love stories.How to Win a MonroeBook 1: Off-Limits Fling with the HeiressBook 2: My Unexpected Christmas Wedding