Rise of the Transgenics (Catnip, #2)

"I told you, don't call me Miss Kitty." Harry Goldman, young genius, DNA researcher and still a nerd, is back, and this time he's working for the law. At the end of Catnip, his girlfriend, Anastasia, devolved into a cat. He manages to bring her back to her half-human form, but no sooner does he do so than a new problem surfaces. Two other transgenics emerge, and they are out for blood. Harry and Anastasia have to face off against Lyudmila, another cat-girl, and Piotr, a half-rhino, half-boa...