What is the best way to add mills&boon desire 2in1 book

[Geraldine]

want to add the following mills&boon desire 2in1 books published november 2016 books:isbn9780263918830 Maisey Yates Hold me cowboy, Yvonne Lindsay one heir.. or two
isbn9780263918847 catherine mann his secretary's little secret, michelle celmer back in the enemy's bed
isbn9780263918854 jules bennett holiday baby scandal, olivia gates his pregnant christmas bride
if any can help please

[Sandra]

https://www.goodreads.com/book/show/3...
https://www.goodreads.com/book/show/3...
https://www.goodreads.com/book/show/3...

[Geraldine]

Thank you so so much