Then Comes Marriage - Love in the Regency, #3

From NEW YORK TIMES bestselling romance author Kasey Michaels comes the third in her LOVE IN THE REGENCY series. There are not many men who can say they attended their own funeral, but Brady James, Earl of Singleton is no ordinary man. He's also, happily, not a dead man, which he is certain was the object of the trio of scoundrels who had lately tied him up and tossed him headfirst into the Thames.
Of course, there's also the matter of why he'd been skulking about the bowels of London after midnight, and her name is Regina Bliss. Mysterious, with an ability to lie that would shame the devil himself, Regina is a recent rescue from the London streets, and Brady has taken it into his head to find out where the dratted girl came from. and why she bothers him so. To accomplish his aim, Brady needs to return to London, but certainly not as himself (that would be awkward), and he needs the irritating Miss Bliss to come with him.
What to do? Why, he could pretend to be his own heir - a totally worthless, chuckleheaded moron of a dandy he'd rather die (again) to keep from the earldom. It could work. It should work. If only he could get past his attraction for Miss Bliss as she, horror of horrors, teaches him how to play the fop.