Gravity's Rainbow is a complex and ambitious novel by Thomas Pynchon, first published in 1973, that explores the interconnections of technology, war, and human behavior during World War II. The narrative is known for its nonlinear structure, intricate language, and a multitude of characters, reflecting key elements of postmodern literature such as fragmentation and metafiction. It examines how the development and use of rockets and other technologies during the war can be seen as a symbol of broader societal issues.