the ancient Torres Parchment. So once more its to the Poopmobile, and away. Dingle however. has been ordered to keep watch, and he reports their departure to Count Sator. Matt helps Dingle in the search for the Poopmobile, with Sator following in his mobile computerised home. Because they have been traveling on the ground. the Poopmobile has left tracks which Dingle and Matt have been following, but when the children realize that they might be followed by their enemies, they take to the air. Dingle is urged by Sator to use a hang glider to keep an aerial reconnaissance on the Doctor and his band, whilst he and Murk return to the Castle to deal with Poopsnagle, who has somehow escaped from his cell. When Dingle takes to the air in his hang glider, helped by Matt, he crashes, but manages to bring the Poopmobile down using Mats darts to burst the hot air balloon. The children narrowly escape injury, but their precious Bus has been badly damaged. They have lost all the water from the steam turbine and it has evaporated away into the heat and sand. Jamie believes he must prove to himself that he has the ability to use his bushman's knowledge to find water in the desert, and he takes Shorty and Sparks with him on a journey into the wild desert. He manages to survive the ordeal, but the two others are badly affected by the lack of water. and it is only the appearance of a traveling actor, Mr. Use-to-Was. who saves the boys from dire circumstances. Emanuel, M. Use-to-Was's camel brings the boys back to the camp, much to the relief of the old Doctor. Using the pulleys from the Bus, the children are able to pull it out of the sand with the help of the valiant camel. Now Jamie can use some plastic to help absorb the escaped water from beneath the bus. He shows the others how this is done, using the heat of the sun. Meanwhile, Matt, who feels guilty at the children having no water. takes a large container from his own camp to the Poopmobile, under the cover of night. Jamie, who is sleeping under the bus, sees him do this, and the next morning all the children are amazed to see the container filled with the precious liquid. When Sator returns to his comp, he berates