In A Swiftly Tilting Planet by Madeleine L'Engle, a companion to the Newbery Award winner A Wrinkle in Time and A Wind in the Door, the Murry and O'Keefe Families enlist the help of the unicorn, Gaudior, to save the world from imminent nuclear war.
Fifteen-year-old Charles Wallace and the unicorn Gaudior undertake a perilous journey through time in a desperate attempt to stop the destruction of the world by the mad dictator Madog Branzillo. They are not alone in their quest.
Charles Wallace's sister, Meg--grown and expecting her first child, but still able to enter her brother's thoughts and emotions by "kything"--goes with him in spirit. Charles Wallace must face the ultimate test of his faith and his will as he is sent within four people from another time, there to search for a way to avert the tragedy threatening them all.
When Lenny Levi's father goes off to fight in the Second World War, his son has to learn to be brave: brave when bombs are dropped on his street in London, brave when he's evacuated to a big house in the country, and brave when spiteful children tease him and call him names.This beautiful book will strike a chord with anyone who has ever felt homesick and alone. Full of detail and character, it embraces the past and the present with unique poignancy and power.