Bounce by Natasha Friend
Evyn's had enough problems in her life, starting with her mother's death when she was young. But now her father's thrown a whole new batch her way. Not only is he marrying a woman Even hardly knows, but he's uprooting Evyn and her brother to go live with this woman and her children. It's a lot of adjustment to make at once. And, quite frankly, Evyn has no desire to adjust. She wants her old life, her old friends, and her old house. She knows she's supposed to bounce along with the changes but what happens if she doesn't? With her trademark knowledge of what it's like to be a girl, Natasha Friend gives us the insightful, heartfelt story of a girl who must learn how to manage her life even when so many things are beyond her control.