The book describes about little Mafalda who has been diagnosed with ""stargardt disease"" in which one gradually loses its eyesight and goes in complete dark at the end... ""The distance between me and the cherry tree"" explains how she stuggles to her progressive vision loss... There is a cherry tree in her school ground, the distance between from where she could start to see the cherry tree is gradually decreasing, she loves to climb the cherry tree because it makes her remember of her grandma and as she is afraid of getting into dark forever she decides to leave everything and thinks to live in the cherry tree forever but at the last she realise that ""to live in fear is not to live at all""