"The Inverted World" is a science fiction novel by Christopher Priest, published in 1974. The story is set in a unique world where the inhabitants must constantly move their city to survive, as the environment changes dramatically. The city, known as Earth, is built on a shifting landscape that requires careful navigation to avoid disaster. The protagonist, Helward Mann, embarks on a journey to understand the nature of his world and the reasons behind its peculiarities. As he explores, he uncovers deeper truths about society, perception, and the nature of reality itself, leading to profound revelations about existence.