
Sixth-grader Marsha is an only child. She's thrilled about her parents' plan to adopt a little sister, but when Wendy arrives, Marsha's life is turned upside down. Wendy is developmentally delayed, acting much younger than her eight years. She has tantrums, messes with Marsha's...

Sixth-grader Marsha is an only child. She's thrilled about her parents' plan to adopt a little sister, but when Wendy arrives, Marsha's life is turned upside down. Wendy is developmentally delayed, acting much younger than her eight years. She has tantrums, messes with Marsha's...

Sixth-grader Marsha is an only child. She's thrilled about her parents' plan to adopt a little sister, but when Wendy arrives, Marsha's life is turned upside down. Wendy is developmentally delayed, acting much younger than her eight years. She has tantrums, messes with Marsha's...