Nothing Changes Love - by Jacqueline Baird - Harlequin Presents - # 1757 - 1995.

Marry in haste, divorce at leisure.
Lexi’s husband of only one year was cheating on her. When she flung the words at him, “I really don’t care about your breaking your promise, I would much rather have the money,” she was lying through her teeth. But now she had only her pride left to salvage. Let Jake think that she was a cheap little gold digger. She was going to leave him and start a new life!
But, or course, Jake traced her to Italy and he wasn’t about to let her forget that they were still legally married. But as far as Lexi was concerned, he could try blackmailing her all he wanted, she would never resume her place in his bed.

At The Spaniard’s Pleasure - by Jacqueline Baird - Harlequin Presents - # 2337 - 2003 - Modern Day Knights Series.

He was licensed to thrill!
When Nick Menendez discovered that beautiful Liza Summers was working for the prime suspect in a diamond robbery case, the Spanish security tycoon took matters into his own hands, and Liza into his custody. He decided the simplest way to uncover the truth and protect her was to take her to his bed, and keep her there until he knew her full involvement.

An Unbroken Marriage (Harlequin Presents # 553) by Penny Jordan

Their antagonism was instant and mutual.

Simon Herries was dominating and arrogant, and readily jumped to the wrong conclusions about India. "You don't know me," she stated, "yet you accuse me of trying to steal someone else's husband!" Evidence and appearance seemed to support his claim, and Simon had his own method of dealing with the problem. At the time it proved an effective solution, but when his scheme backfired, India was left to face a future of heartbreak and unhappiness.

Time Fuse (Harlequin Presents # 826) by Penny Jordan

Past actions have a way of forming future ones. But it was the actions of her parents that had formed Selina's character, and had brought her to this point in time -- applying for a job with the father she had never met. But the explosion from the fuse she lit then came, not from her father, but his nephew -- the darkly handsome Piers Gresham, who made no secret of his desire - and contempt - for her!

Rescue Operation (Harlequin Presents # 602) by Penny Jordan

History was repeating itself!

Chelsea had been innocent, naive enough to believe her love was so pure it would last forever. But Darren had lied to her, and when she found out he already had a wife, Chelsea turned her back on romance. Now her own niece was about to make the same mistake she had made - with a man infinitely more desirable and sophisticated than Chelsea's first love had been. There was nothing she could do to shield the young girl from anguish. Except, perhaps, to steal the man away herself...

Fire with Fire (Harlequin Presents # 916) by Penny Jordan

It occurred to him that he could use her.

Emma had always played the role of dependable older sister, so it was not surprising that after smashing up Drake Harwood's brand-new Ferrari, Camilla, unable to pay, expected Emma to bail her out. But the shrewd and attractive entrepreneur saw a way of capitalizing on her predicament. He exacted a highly unusual, and very personal payment that cost Emma her career as a London TV newscater - to say nothing of her pride. Emma was prepared to fight fire with fire - never thinking that, for her, Drake Harwood was as lethal as dynamite!

Out of the Night (Harlequin Presents #1427) by Penny Jordan

There was nothing else she could do.

Stranded in a border-hills snowstorm, Emily Blacklaw had to accept the handsome stranger's offer of help - even though it meant sharing the warmth of Matt Slater's sleeping bag. It was a turning point for Emily, and the desires and passions they'd shared haunted her through the days and months that followed. Now Matt was back - and living in the same house. And Emily found it difficult to reject Matt's demands, especially since they were the same demands she secretly harbored...

The Friendship Barrier (Harlequin Presents # 794) by Penny Jordan

Could they ever be more than friends?

Jake was Stephanie's employer...her best friend...and if he hadn't had to rescue her from a gang of youths two years ago, he could have been so much more... Now there was an invisible barrier between them, which - until recently - Jake had patiently respected. He alone knew why Stephanie shied away from men, understood why she had to confront her fear before putting the past behind them both. But Stephanie couldn't cross the line separating friend from lover without first facing a greater fear - the fear of losing the man who meant everything to her.

Phantom Marriage (Harlequin Presents #591) by penny Jordan

She had weathered life's storms alone.

Tara had been only seventeen when she'd given herself to James. She had borne him twins in secret, inventing a short-lived marriage to protect her fatherless children and to hide her shame. The years had brought Tara added wisdom, though time hadn't dulled the pain of James' rejection or the aching pleasure in their remembered passion. Meeting him again was a shock, but Tara was determined never to let him know the price she had paid in silence for her first and only love.

Capable of Feeling (Harlequin Presents # 931) by Penny Jordan

"I need a wife, Sophy, but not to share my bed."

To Sophy, who believed she was frigid, it seemed the perfect arrangement. Jon Phillips, her kind and understanding boss, was offering Sophy a marriage of convenience. He needed someone to help care for his niece and nephew, and Sophy already loved the children as if they were her own. Her feelings for Jon, however, were less clear. In sharing a roof together, Sophy became increasingly aware of her husband and of her growing desire to make their marriage a real one in every sense.