Royal liaisons

Mauro Bianchi is stunned to discover the beautiful innocent who left his bed at midnight three months ago is a queen...and she's pregnant! He's never wanted a family, but nothing will stop this billionaire from claiming his heir.
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To preserve his family dynasty, Luca was planning to marry a convenient bride-until Callie reveals the consequences of their heated encounter! Having just taken back her freedom, Callie refuses to wear his ring. To legitimise his heir, Luca must persuade her that life in the royal bed will more pleasurable than she can possibly imagine!
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Whit Howell must rescue Princess Gabriella and return her to her country. In order to keep her safe, he needs to know who is orchestrating attacks on her...and why? This is the most important mission of his life - and he'll risk everything to save the one woman he's discovered he can't live without.