Best Enemies — Jane Heller

THERE'S A THIN LINE BETWEEN LOVE AND HATE.
Book publicist Amy Sherman tripped over it when she caught her fiance horizontally attached to her best friend, the impossibly tall, inexcusably blonde, and insufferably gorgeous Tara Messer, who added insult to injury by marrying the cad right out from under her.

BETWEEN A GIRL'S BEST FRIEND HER DEAREST ENEMY...
After four years of therapy, Amy's finally back on track--until she has to publicize the hottest new book of the season by "the next Martha Stewart." Nightmares do come true. It's the dreaded Tara who's the author, and why shouldn't she write a bestseller about perfection? She's the perfect woman enjoying the perfect life with the perfect man. Who'd ever guess she's living the perfect lie?

BETWEEN SWEET REVENGE AND JUST DESERTS...
When Amy tries to save face by roping a handsome mystery writer into posing as her fiance, her little white lie leads to yet another romantic triangle. She just might find true love this time-if she lets herself-but first she and Tara must settle old scores and team up against the man who played them both...