"Her name is Amy Gumm. Tornadoes must have a thing about girls from Kansas, because, just like Dorothy, she got swept away on one too. She landed in Oz, where good is wicked, wicked is good, and the wicked witches clued her in to her true calling: Assassin. The way to stop Dorothy from destroying Oz, and Kansas, is to kill her. And Amy is the only one who can do it"--OCLC.
