Bedrooms and Broomsticks — Cynthia Rayne

Cayte is convinced her life is beige. She wanted to be an artist, instead she manages a gallery. She is in love with her sexy boss, Tristan, but he doesn't know she's alive. When Cayte receives a book of spells from her grandmother on her thirtieth birthday, she drunkenly decides to cast one. After all, magic isn't real, right?Cayte accidentally summons Beau, a powerful incubus who has bedded legions of women over the centuries. Beau has never been so tempted by a woman and agrees to help her seduce Tristan if Cayte submits to all his desires. Soon, Cayte has Tristan panting for her, but finds she is more interested in the demon she knows.