sound, and then another.
âItâs almost as if theyâre talking to each other,â Bobby said. âThat gives me the creeps. They could have been listening in on our conversation all this time and maybe they even know who I am and â¦â The orbs left their individual places on the trees and flew into the middle of the arena. They formed a column, one above the other and each one of them began to make strange noises and their lights flashed crazily as if they were very excited. The chiefâs son immediately pointed his spear toward the column and began to move warily toward it. The orbs then flew about in different directions as if deliberately forming a pattern that would have seemed quite pretty, Bobby thought, if it werenât for the fact that she felt her life was in danger again. She suddenly found David right beside her, staring at the scene as if trying to take it all in. An instant later the orbs flew in the direction of Bobby.
The professor and David instinctively formed a huddle around Bobby as if to protect her. The orbs fluttered up and down right in front of their faces; were they trying to decide how to get to her, Bobby thought, because that was exactly what it felt like. David put his arms behind him and grabbed Bobby to his back so that she was pressed hard against him and not able to be seen. It made no difference. Within a second, and before they had time to even think, the orbs had flown behind them and began to attack Bobbyâs backpack. Bobby heard a high-pitched scream and then realised that the dreadful sound was coming from her. She dropped the bag. They rotated very fast, pressing at the bag in the same fashion that a round saw presses at a piece of timber, until her backpack was torn completely to shreds and the contents had fallen to the ground.
âTheyâre after the crystal ball,â the professor yelled. âQuickly, we mustnât let them have it.â He lurched forward and at the same moment the chiefâs son leaped into the fray with his spear, but both of them were driven back immediately by orbs that flew at their throats. It was a warning, âInterfere and your throat will be cut,â was what they were saying without words but with their strange lights and whirring sounds. Bobby watched on in horror as the contents of her bag were shredded to pieces. Her favourite pyjamas that sheâd worn almost every night for three years, underpants, handkerchiefs, photos of her mother, her diary, biscuits and even her drink bottle, all shredded. She was so pre-occupied with what was happening right before her eyes, she had completely forgotten that the crystal ball was still lying on the sandy floor of the hut they had arrived in. Normally she would have put the ball straight into her backpack but this time she hadnât for some strange reason.
âDonât move,â the professor said through his teeth. âDonât say a word.â The orbs flew all about the heads of the four of them threateningly and the ones positioned at their throats moved closer. They all buzzed and flicked their lights and made the whirring noise more urgently now than before. And then Bobby noticed that one of them rose above the others and was making a louder, and different, noise to the others.
âThey all want to kill us,â Bobby thought to herself, her intuition working overtime to try and understand what was happening, âbut the leader of them has realised that they canât because then theyâll never get what they want and that means their mission has failed.â All at once and in an instant they flew back to their original positions and embedded again into the trees. The chiefâs son took up his post again with an emotionless face that gave away nothing of what he was feeling. The others backed out of the arena quietly and slowly so as not to disturb them again. It was only when they were well down the track that Bobby