Sex and the Immortal Bad Boy by Stephanie Rowe
Freed from her job as Satan’s Rivka, Paige Darlington now finds herself about to lose her soul. The only way to save herself is to take a sip in one of Heaven’s cleansing moats, but Heaven doesn’t permit visits from Hell spawn. Jed Buchanan, Satan Jr.’s favorite assassin agrees to help Paige sneak past Heaven’s defenses, but will she let him sneak past her own?
This appears to be the final story in the Date Me, Baby, One More Time series of books. In a way, I’m kinda disappointed as I wanted to see Satan finally land the girl of his dreams. But this is an interesting tale and one that many paranormal loves will enjoy.
Details: Grand Central, November 2007
Excellence Rating: Very Good
Becca Gibbs hates her job as Satan’s most senior minion and would do anything to guarantee her freedom. Nick Rawlings is the last of the Markku, a race that served Satan long ago much like Becca does today. But now someone kidnapped Nick's sister and set the randsom as Satan's death. If he doesn't kill Satan within the designated time, her kidnappers will force her to suffer a fate worse than death for all eternity. Becca is intrigued by Nick, since the Marku are the only people ever to successfully escape from Satan’s control. It also helps that Nick has a body to die for (and that’s saying something from Satan’s right hand person 
Theresa Nichols has been bored with her life ever since she lost the ability to change from her dragon form into that of a woman. Even her new cyber-sex friend Zeke Siccardi, thinks she should get out and have a little fun. Now Theresa is prepared to stop at nothing to regain her human form, even if it means making a deal with the devil.