h creating art gallery in H's hotel

I wonder if it might be this one by JAK. I read it too many years ago to recall details but here's the blurb...

Eye of the Beholder by Jayne Ann Krentz (5/99)

At a luxurious Arizona resort, a hard-edged businessman and a beautiful art consultant make a tantalizing mind-body connection--while a killer threatens their piece of paradise.

After a career-stalling tangle with a fraudulent gallery owner, Art Deco expert Alexa Chambers is ready to take risks to rebuild her reputation. But when she secretly consults on an exquisite collection for the new Avalon Resorts, she doesn't know she will cross paths with the hotel's owner, the enigmatic and possibly threatening J. L. Trask.

Years ago, Trask accused Alexa's stepfather of murder--and vowed he would return to Avalon for revenge. Now, their meeting is inevitable--and attraction immediate--as they trade sizzling sparks and snappy repartee. But when a killer emerges from the shadows, these sensual sparring partners team up to solve a deadly crime from the past. Following a trail of clues to a trendy but decidedly strange New Age spa, Trask and Alexa don't need a crystal ball to see that their survival--and their chances of bliss--will depend on a little help from a higher power: a true and trustworthy love.

--Janie

Thanks but it's not the JAK book. I've never read that one. In the book I'm looking for the relationship is more like the couple from Splendor, a sweet h who works hard and kind of keeps to herself, and an H who falls hard for her.

Thanks but that's not it. That's the book with the cheating H, and the one I'm looking for is definitely not a cheater. There is an OW, but the H is not with her at any point after he meets the h. 

It was a regular contmporary, and I'm pretty sure was a self-pub.  The OW was either an ex lover or a wanna-be lover, and the H wanted nothing to do with her romantically at any point during the book. She did work for the company in an upper level position.  I still haven't remembered anything else about the book. It's possible I borrowed it from KU and it has been 3 or 4 years since I read it.