My big fat zombie goldfish

By Mo O'Hara. First published in 2013. When Tom's big brother decides to become an Evil Scientist, his first experiment involves dunking Frankie the goldfish into toxic green gunk. To save Frankie Tom zaps him with a battery to bring him back to life, but there's something weird about the new Frankie. He's now a big fat zombie goldfish with hypnotic powers and he's out for revenge. Used - Good condition, shows normal wear but fully functional.