The Summer I Saved the World . . . in 65 Days

It's summertime, and thirteen-year-old Nina Ross is feeling kind of lost. Her beloved grandma died last year; her parents work all the time; her brother's busy; and her best friend is into clothes, makeup, and boys. While Nina doesn't know what "her thing" is yet, it's definitely not shopping and makeup. And it's not boys, either. Though . . . has Eli, the boy next door, always been so cute?

This summer, Nina decides to change things. She hatches a plan. There are sixty-five days of summer. ...