Harlequin Blaze Series by Dorie Graham

It starts when Lauren Bryant receives an erotic cookbook from a secret admirer. Her admirer can only be her best friend, Adam Morely—especially when his comments suggest his interest. Suddenly she's looking at him in an entirely new way—as a sexy, irresistible man. She values his friendship, but the gift speaks for itself. And their new sensual encounters are so incredibly hot, she's powerless to resist. Too bad Adam's vision of their future gives Lauren cold feet... moreIt starts when Lauren Bryant receives an erotic cookbook from a secret admirer. Her admirer can only be her best friend, Adam Morely—especially when his comments suggest his interest. Suddenly she's looking at him in an entirely new way—as a sexy, irresistible man. She values his friendship, but the gift speaks for itself. And their new sensual encounters are so incredibly hot, she's powerless to resist. Too bad Adam's vision of their future gives Lauren cold feet. When Lauren propositions him, Adam is sure his fantasies have come to life. While he's always wanted to sleep with his beautiful best friend, he's not her secret admirer. Now he has to tempt her into a commitment before she discovers the truth. .. . less