Brenda Jackson 
In Bed With Her Boss [EPUB ebook] 

D’marcus Armstrong was demanding, autocratic and cranky as a boss. But as the star of her feverish nighttime fantasies, the man was simply divine.Still, Opal Lockhart had no chance with Detroit’s self-made millionaire. What would a high roller like him want with a buttoned-up, naive secretary like her? Enter the Lockhart sisters-for some attitude adjustment and a wardrobe makeover. With some decolletage and come-hither heels, they have the sex kitten in Opal downright purring. Now she’s giving D’marcus notice-he’d better watch out!