Title: Pregnant Enemy, Christmas Bride
Description: This book was actually a great story,
The blurb and title gave it all away.
Too bad. It would be great to pick this up, and just start reading. 
Not knowing what their real relationship was. 
 it was also an awkward read. Kudos to me for persevering, 
Great story, quick read, lots of skimming.
If you do intend to read this book, prolly don't want to read the GR reviews. 

Here is the spoiler blurb: 

It’s cold outside… but they’re playing with fire!
CEO Florence Clare’s relationship with Hades Achelleos is…complicated. By day, her corporate enemy is the devil himself, their rivalry a thing of headline-grabbing legend. By night, they indulge in a clandestine affair. Equally brilliant, equally headstrong, they are one another’s forbidden rebellion…
Hades is fire personified, and Florence has always known their entanglement becoming public would be disastrous. But this Christmas, two little lines threaten to reveal her darkest secret—she’s pregnant. And the paparazzi sense scandal when the Greek tycoon announces his shocking new bride-to-be…
People: Hades Achelleos, Florence Clare