William watched as Adrian took out the tiny glass tube and blew gently through it. A thin glass strand emerged from the tube and wove itself into a translucent window, standing alone on the grass. "Is that the doorway?" William asked. "If we go through there, we'll be in a different world?" Adrian nodded. "Yes," he said. "Now it's up to you." When Dad's increasing anger gets so bad that Mum leaves, 12-year-old William is devastated. Then, against...