Trick Me, Treat Me: The Wrong Bed (Harlequin Temptation)

HIS TRICK...
After spending more than a year overseas doing research, true crime writer Jared Winchester is dying for some excitement. So when he receives an invitation to a party his first night back--an in-character Halloween party, at that--he decides to go for it. For one night he'll be secret agent Miles Stone. Too bad he doesn't know that the party already took place--last year. Or that one certain woman will find secret-agent men irresistible...

...WILL BE HER TREAT!
Gwen Compton is tired of playing it safe. For months she's thrown all her energy into turning an old haunted house into a bed & breakfast. Now it's Halloween. The inn is ready...and so is Gwen! She's going to find herself a man--a dangerous man, an exciting man! And she doesn't have to look very far.... Late that night she discovers a dark, sexy stranger in the kitchen. He says he's on a secret mission. But Gwen has other thrills in store for him....