The Fire Apprentice by Jane Buehler

He’s the blacksmith. But she’s the one playing with fire.

After a fairy seduced her, fathered her child, and tried to take that child, Jane swore she’d never trust one again. Surely she can find a suitable human man to be a companion for herself and a father for little Elle, right? So when her housemate mentions a new apprentice blacksmith, Jane leaves Elle playing in the yard and heads to the smithy.
Rowan is rugged and handsome but clearly not interested. Disappointed, Jane has just left the smithy when a sudden shadow swoops over the village. Jane races home to see a dragon snatching Elle. Jane is distraught. Then Rowan mysteriously appears and offers to rescue the child. He insists the dragon won’t hurt Elle—apparently fairy children apprentice with dragons to learn fire magic. How does Rowan know so much about fairies? Turns out, he is one.
Jane will do anything to rescue Elle, even if it involves the F word—a fairy. But climbing into the mountains with Rowan is risky. His reticence keeps Jane guessing, but she can’t keep her mind off him: he’s even more handsome out in the moonlit woods, with that deep voice and those capable hands. When Jane and Rowan run into trouble, Jane must take charge. Because it turns out, Rowan needs rescuing too.