Kel's Angel (Viva, San Antonio! #3)
Doris Rangel

Imagine his unhappy surprise when his perfect teacher undergoes a transformation and turns out to be not elderly at all and definitely not plain. Well, dang! She’s gone and changed herself into an eye-catching Woman, the antithesis to what he had in mind. But Esme knows exactly how to put a belligerent cowboy in his place. Furthermore, she has a lot of living to catch up on that doesn’t include becoming one of Kel’s Angels, as his groupies are known.
Yet the man has such sexy dimples. And a wicked twinkle in his eye. What’s a girl to do?
With this handsome interfering cowboy constantly underfoot, Esme sets out to become the woman she was meant to be. And Kel? He can’t stop wondering what his teacher might be doing once class is over, and his libido is definitely getting in the way of the education he craves.
Heat level: jalepeño jelly. Sweet, with a bite.