When I completed and submitted my thirtieth book, I decided to celebrate by offering a taste from each one. No Longer Forbidden? was my first sale and initially came out exclusively in the UK. In the story, (tiny spoiler alert) Nic reveals to Rowan that he is the product of his mother's affair and has a younger sister and two brothers. He was removed from the family and sent to boarding school when the affair came to light.
After I wrote No Longer Forbidden? I wondered about Nic's siblings. When I came to write my third book, More Than A Convenient Marriage?, I had Nic's sister seek him out. Harlequin then packaged the books together as a 2-in-1 for Presents in North America. It looks like this: