Eleven-year-old Kylie's friends seem so much more mature than she is. And with middle school just a summer away, she's worried her friends might leave her behind, especially because she keeps embarrassing them. So Kylie applies her scientific brain to solve the problem and comes up with the Everybody Experiment. Hypothesis: Kylie Stanton will be mature if she does what everybody else does. Experiment: This summer, when all of Kylie's friends do something,...