Jane Porter 
Not Fit for a King? [EPUB ebook] 

The Impostor Princess… It’s the stuff of fairytales: Hannah agrees to help out a princess, and within hours finds herself engaged to a king! But this dangerous charade has to end fast — the electrifying chemistry between them feels far too real!… and the King!Zale’s royal bride-to-be looks like the pampered princess he’s being forced to wed — yet she transforms into a feisty woman who makes his blue blood run hot! But is she fit to be his queen? Zale will just have to tempt her out from beneath her tiara to find out!