A deceptively thin novel which packs a huge wallop. A must-read for New Yorkers. A must-read for, well, anyone who remembers 9/11. And anyone who doesn't because they were too little.One of the things I've liked about Levithan's previous books is his sense of goodness- of the rightness that lies under everything. He's kind of like L'Engle in that way. It's harder to tease out in this book, but it's ultimately a hopeful book, no matter that I wept throughout the whole thing.'"I think if you were somehow able to measure the weight of human kindness, it would have weighed more on 9/11 than it ever had. On 9/11, all the hatred and murder could not compare with the weight of love, of bravery, of caring. I have to believe that. I honestly believe that. I think we saw the way humanity works on that day, and while some of it was horrifying, so much of it was good.""That's totally fucked up," I said. 'A keeper.