"A Novel 'Bella', Dr. Frankel interrupts me. 'You can't rush recovery. Try to take it one step at a time, alright? You seem like a strong girl -- isn't that right, Mom?' Mommy smiles weakly, but I know what she's thinking: I'm strong until someone takes away my ballet shoes. Then I just become unbearable. Although, according to Atara, I'm pretty much always unbearable. Isn't that fun? Life is simple and fun for ninth-grader Bella Rena. She has a great...