The Last Planet, pp. 227-269 Summary

At a dry waterhole, Rincewind is frustrated that some idiot has put beer in hard-to-open tin cans. He is happy that there is no sign of Scrappy in this utterly dry country, where nothing is as it seems. He is also happy to have a potato to eat, something that had always passed him by at UU and, by inspiration, combines it with other items that Remorse has provided him: carrots, onion and salt. In the absence of water he uses beer to make stew and, considering the medicinal value of salt, adds quite a lot. After a nap he finds sheep trying to open beer cans, desperate to drink. The brown, gooey soup does not quench his own fierce thirst and he cannot bear to kill a sheep for food. Flattening a beer can...