Stepsister from Planet Weird

In this comic sci-fi story based on the popular novel for young people by Francess Lantz, an alien from another world finds his way to the planet Earth with his 12-year-old daughter in tow. As the visitors try to adjust to the ways of this world, Dad meets and marries a single mother, and now his daughter not only has to learn how to act like an Earthling 24 hours a day, but she suddenly has to deal with her new step-siblings.