A shelf for a child who is going through something hard, or has just come out the other side of it, and needs a story that says: you can get through this, and there is hope on the far side. Every book here holds a real difficulty first, because that's what makes the getting-through mean something, and then it earns its way to hope. Pick the one that fits your child right now, whether that's a scared five-year-old who needs Humpty to climb the wall again, or a twelve-year-old ready to walk beside a girl escaping a cruel home. If you want the gentlest place to begin, start with 'After the Fall'.
Every book on this shelf does the same brave thing in its own way: it lets a character sit in something hard, and then shows them finding a way through to hope, so pick the one that matches where your child actually is. At the gentle end are picture books about getting back up after a fall, pushing through a storm, and refusing to quit on a dream. In the middle are two novels about children who don't fit the mold the world handed them and find their footing anyway, one who can't read and one starting over in a new country. At the far end is a longer, weightier novel about a girl escaping a cruel home and learning she was worth loving all along. What they share isn't a difficulty level. It's the shape of the hope: hard-won, believable, and real.