Anemone (Anemone series, #1)
Dr. Belspur is a reserved, well-respected professor at a university who has one problem. A freak chemical accident has left him with the ability to transform into a young sexy blonde that drives men wild. Now he's desperately trying to control his power, hide his alter ego from his family, and resist the urge to make out with his handsome coworker.
It's a gender bender ongoing serial made up of erotic short little stories that lead to one tantalizing twist.