The Greek Billionaire's Love-Child — Sarah Morgan

Mistress to the billionaire doctor...
Six months of bliss with gorgeous, high-flying pediatric surgeon Nikos Mariakos leaves children's nurse Ella head over heels in love...until Nikos unexpectedly ends the relationship. Later that same day, Ella's pregnancy test turns positive, and it is only then that Ella discovers--from a celebrity magazine-- that the father of her baby is a billionaire!

...accidentally pregnant with his baby
When he learns Ella is expecting his child, everything changes for Nikos. This rich Greek playboy is back on the children's ward, and back in Ella's life. Nikos is determined to be a full-time dad, and taking Ella as his convenient wife seems the only solution.

Hero: Dr./Doctor Nikos Mariakos
Heroine: Nurse Ella "Ell"