Cassidy Grey: 3 books

Frustrated and needing something new, Trent discovers the world of transgender porn one day on his lunch break. Instantly intrigued, and more turned on than he's ever been in his life, he races home, hoping to catch his roommate in time for her to help him get some relief, but when he finds the apartment...

The stakes of the fight are as instinctual to Hannah as breathing is: The first one to cum, loses. But Hannah has tried everything else in her search for sexual freedom and expression. If she has to fight her way through to orgasm, no one is going to stop her.

Karen is a fresh young shemale just branching out on her own, but when her Chemistry professor catches her in a compromising position, she's afraid her college career is over. With a little luck, and some fantastic oral skills, Karen begins to learn the transformative powers of Chemistry.