The Guest List — Fern Michaels

For the first time ever, Abby Mitchell feels that the world is her Oyster. Her first book has found a publisher, a daring new surgery promises to take away the birthmark that mars her lovely face; and there's a new man in her life, a man who sees beyond her flaw...into her heart.

Best of all, though, is that Abby has been reunited with her sister Mallory. Separated as girls after their parents died in a double tragedy, Abby always dreamed that, one day, they would be together again.

But while two loving sisters make up for lost time, danger hides in the shadows. Now, Abby and Mallory have planned a sumptuous party--unaware that their gathering will include and uninvited guest who will do anything to keep the past hidden...