From fictiondb:

Made to marry -- for her baby's sake!

Nic Leandros knows that most people want only his money. So when he finds out beautiful Tina Matheson is pregnant with his late brother's child, he's certain her price will be high....

However, Tina must agree to his terms: no Leandros heir has ever been born out of wedlock; they will marry for the baby's sake....