Liz Tyner 
Wallflower Duchess [EPUB ebook] 

No other woman will do for the determined Duke…To Lily Hightower, Edge is still the adventurous boy she grew up with, even though he’s now become the formidable Duke of Edgeworth. So when he doesn’t propose to her sister as everyone expects, shy Lily marches right up to him to ask why…Wallflower Lily is amazed to learn that she is the Duke’s true choice. She’s hiding a secret which, if he found out, could threaten everything. But Lily is the Duchess of his dreams -and Edge is determined to make her his!