"Cat's Cradle" is a novel by Kurt Vonnegut that explores themes of science, religion, and the human condition. The story is narrated by John, also known as Jonah, who sets out to document the history of ice-nine, a substance invented by the fictional scientist Dr. Felix Hoenikker. This substance has the capability to freeze water on contact, posing catastrophic threats to the world. The narrative reflects on the absurdity of human endeavors and the unintended consequences of scientific advancements.
The novel introduces the fictional religion called Bokononism, which offers a satirical critique of organized religion and the ways people seek solace in belief systems. Through its quirky characters and dark humor, Vonnegut comments on the state of humanity, addressing the fragility of existence and the ethical dilemmas faced with scientific progress. The interactions among characters, such as the Hoenikker family and other inhabitants of the Caribbean isle of San Lorenzo, lead to a deeper understanding of how truth and lies intertwine in society.