The Alcolar Family Series by Kate Walker

Joaquin Alcolar has a rule: never to keep a mistress for more than twelve months! Cassie knows that her time is nearly up, and to save her pride--and her heart--she decides to jump before she's pushed! However, when an accident leaves Joaquin with amnesia, he cannot recall Cassie ending their relationship. And, on doctor's orders, Cassie can't tell him the truth. So is she back where she started--in Joaquin's bed--until he recovers his memory...and the clock starts ticking once more...?

Ramon Dario desperately wants the Medrano Company. But the deal has an outrageous condition--marriage to the notorious Estrella Medrano! Ramon won't be forced into anything, least of all a wedding with a scarlet woman! But Estrella is not what he thought. Ramon can't get her gorgeous body out of his mind. He even starts to believe she may not deserve her reputation! A marriage of convenience--and desire--might be a good deal after all....

He'll make her his mistress for revenge... Jake Taverner has never wanted a woman as much as he wants Mercedes Alcolar. So when she rejects him in the most painful way, Jake's hurt pride demands the most pleasurable revenge... ...his mistress for a month! Jake traps Mercedes into a fake engagement as he embarks on his skillful seduction. She'll share his bed for one passionate month. But though he can bind her by blackmail...can he keep her?