From Newbery medalist Linda Sue Park, an emotional novel based on a true story.Nya goes to the pond to fetch water for her family. She walks eight hours every day.Salva walks away from his war-torn village. He is a lost boy refugee, destined to cover Africa on foot, searching for his family and safety.Two young people . . . two stories.One country: Sudan.This mesmerizing dual narrative follows two threads-one unfolding in 2008 and one in 1985-with one hopeful message: that even in a troubled country, determined survivors may find the future they are hoping for.