If you received a letter from your older self, what do you think it would say? What do you wish it would say? That the boy you were crushing on in History turns out to be gay too, and that you become boyfriends in college? That the bully who is making your life miserable will one day become so insignificant that you won't remember his name until he shows up at your book signing? In this anthology, sixty-three award-winning authors such as Michael...