A resolute spinster. An irresistible rake. An accidental letter . . . and a hopeless muddle in the middle of the London season. Lady Ludmilla Windmere is mortified. The spinster extraordinaire has fallen in love with her best friend, and that cannot be. The problem? She hasn't met him. Not once. For they have only ever corresponded by letter. When she sets out to uncover his identity, her world shatters. For Addy turns out to be none other but London's worst rake. Adrian St. Addington is perturbed. The rakehell extraordinaire is developing a marked tendre for a spinster, and that cannot be. The problem? She might be mistaking him for someone he is not. Or, what is worse, know precisely who he is. A depraved heart like his surely cannot fall in love . . . least of all with a plain, outspoken spinster. Determined to discover the truth behind the man she loves, Lu does what she does best: she sits down and writes a letter . . .