Andie has just finished eighth grade and will be starting high school in the fall. The good news: Her super-popular valedictorian big sister, Claire, is graduating and won't be there to put Andie in the shadows. The bad news: Her super-popular valedictorian big sister, Claire, is graduating and won't be there to help her. But Claire hasn't forgotten Andie.

For her little sister, Claire has put together a guide that covers everything a freshman needs to know but didn't even think to ask. Andie reads every word and even shares it with her best friend, Bess.

But sometimes they wonder if Harvard-bound Claire got everything right! In this hilarious and honest look at one girl's heroic attempt to conquer high school, readers will get all the benefit of Claire's wisdom about making those four years more than bearable—and absolutely memorable. Fortunately, high school happens only once in a lifetime.