If Nathan were here, we would meet in our tree fort. . . we would take the shortcut through the woods. . . we would try to splash each other in the puddles. . . In If Nathan Were Here, author Mary Bahr gently explores the grief of a young boy whose best friend has died. With the help of an understanding teacher, a kind neighbor, and an empathetic parent, the boy finds ways to give expression to his questions and sorrow and to...