"Many of Chaitin's results are discussed in a delightful collection of his published articles." JosephFord American Scientist, 1989 "Chaitin advances the cause of truths whose time have come; he is preparing a roadmap to ease our voyage into a truly uncertain future. Those who embark on this great adventure will most assuredly find sustenance in the books reviewed here." JosephFord Foundations of Physics, 1989