What is your favourite ever science fiction book?

Answer
I have 2, 1984, which is a kind of science fiction, and brave new world. possibly brave new world edges it. look around so man y aspects of what huxley wrote and becoming reality, we can or nearly have the ability to genetically engineer human life . i read about chinese dotors who recently "grew" a rabbit with the same skin as a human . they aborted it as an embryo , thankfully. what will our civilisation be like in anothe 100 years?