GURPS Shapeshifters

"Looking For A Change?" From the back cover: "Moon-linked curses. Shape-stealing aliens. Strange gifts and genetic quirks passed down through your bloodline. Ancestral curses. Cute little critters that gladly turn into the latest technology and back again. Chameleonic spies. Body-morphing symbionts. Doppelgängers. "They're all shapeshifters ..."