Anne Herries 
Innocent Debutante in Hanover Square [EPUB ebook] 

Innocent miss, powerful lord!Debutante Helene Henderson has been given a gift of one season in London—if she is to save her impoverished family, she must find a husband! Only, unworldly Helene's compassionate nature leads her into the path of a handsome rake with secrets of his own…Lord Max Coleridge is intrigued by Helene's beguiling mix of shyness and spirit—but with his life in danger, how can he put her at risk? Helene's courage shines through, and Max intends to solve this mystery—and make this innocent miss his bride!