278 Tommy Twister’s Discovery And Tommy and Billy turned the ark until the side which could be slid off was facing the mountains ; then they slid off the side, ‘and opened the largest hatch, and ran a long way off. The steam which arose from the cere jam filled the whole sky; and the heat was so great that the mountains began to disappear for a space half a mile wide. The bear took off his waistcoat and fanned himself with it; but he and the boys were on the side of the ark turned away from the mountains, and so greatly sheltered from the heat. You see the open ark acted like a Dutch oven, and formed a hot chamber which threw the heat on to the mountains. The half-mile gap through the mountains was quite clear now. But who was to put the hatch on again ? They managed it somehow—I don’t quite know how ; but I know that an English boy can do anything if he really tries: and that’s enough for me. You might say one could not grow up