He decided to go and look for them, and began to climb quickly up the steep hillside, through a white wall of mist. Every few minutes he stopped, put his hands to his mouth and shouted Jessica's name. But everywhere was silent, and Matty felt very alone. Higher up the mist was thinner, and when he got to the top, he stopped to rest and look round. But it wasn't the top! All around him, everywhere, there were more mountains, higher and higher. How could he find her here? Jessica! Jessica!' he shouted. But there was no reply Suddenly the mist came down again, colder and wetter than ever. "I must go back, thought Matty, afraid. "I'll never find my way in this." But which way was back? He moved slowly and carefully, but the mist hid everything and once he nearly fell down some steep rocks. After that, he moved on his hands and knees. Then, somewhere in front of him. Matty heard a bark.