How would you describe the tone of the novel? In what ways does this stylistic choice underscore the point Creech is making about happiness?

On their way to Idaho, Sal and her grandparents often stop to appreciate the wonders of the natural world. Choose two or three places they stop, and discuss the role that these places play in the novel. 

In what ways does Creech foreshadow Sugar’s death? What is the effect of withholding definite knowledge of her death from the novel’s readers?