Stepsister from the Planet Weird by Francess Lantz

Book has been read and is in good condition. In the heart-warming style of Barbara Park and Bruce Coville, former children's librarian and well-reviewed author Francess Lantz brings to life a funny and accessible story filled with compassionate insights about growing up. Meet two girls who are galaxies apart--Megan, an insecure young girl and Ariel, a beautiful, brainy, and perfect girl from the planet Zircalon-6. The girls don't like each other very much and to complicate matters, Ariel's alien father has fallen in love with Megan's earth mother. But the girls do have one thing in common--break up their parent's courtship. Follow the two girls as they get to know and understand each other and realize that they both really do care about their parents happiness.