Just when Abi, Sam and the Radish are settling down as a normal family. Abi's mum goes and springs another surprise . . . 14 year old Ellen Dredge is coming to stay. As soon as Ellen arrives, Abi and Sam just know they're not going to clck with her. Ellen is wierd - big, brash and clingy - and SO clumsy! She's driving them nuts. Could they ever be friends with someone like that But even though she gets on their nerves, Ellen isn't unkind. And even if she does follow them everywhere, who else has she got to be friends with Slowly, Abi and Sam get used to Ellen and when the time comes for her to leave their family - Sam and Abi have to admit - they' might even miss her . . . Well, just a bit . . .