Cheater's Regret by Rachel Van Dyken is the second book in her 
 Curious Liaisons 
 series. This is Austin and Thatch's story. They are best friends with Lucas and Avery from book one, Cheater, and their tale is just as sexy and romantic as Lucas and Avery's BUT there is also a lot more pent up emotion and dark, secretive background stuff going on too. 
 Austin is a take charge kinda girl except when it comes to her family. Desperate to pass the last class needed for her fast track MBA she ends up having to rely on none other than Thatch - The man that cheated on her, that she was willing to forgive, that turned her away. 
 Thatch pushes Austin away and seems like a complete and uncaring jerk for doing so. We slowly learn he has his reasons, but will Austin ever find those out or will she spend the rest of forever plotting his demise via bike rides and pet frogs? 
 I loved this book more than the first and I loved that one too. Enjoy!