Stefanie London 
Hard Deal [EPUB ebook] 

A deal with the devil…But who comes out on top?Imogen Hargrove agrees to go on a date with the infamous Caleb Allbrook if he’ll dig up dirt on her sister’s cheating fiance. After leaving her own two-timing ex, Imogen is determined to save her sister from heartbreak. Caleb might be tempting…seductively charming, even. But Imogen won’t make the same mistake twice: no more playboys!