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Godel, Escher, Bach: An Eternal Golden Braid (20th anniversary edition with a new preface by the author) | 
 enlarge | Author: Douglas R. Hofstadter
Publisher: Penguin Books Ltd
Category: Book
List Price: £18.99
Buy New: £11.34
You Save: £7.65 (40%)
New (25) Used (8) from £11.34
Rating:  21 reviews
Sales Rank: 2477
Media: Paperback
Edition: 20Anniversary Ed
Pages: 824
Shipping Weight (lbs): 2.4
Dimensions (in): 9.1 x 6.1 x 1.6
ISBN: 0140289208
Dewey Decimal Number: 153
EAN: 9780140289206
ASIN: 0140289208
Publication Date: March 30, 2000
Availability: Usually dispatched within 1-2 business days
Shipping: International shipping available
Condition: New. SKU 0140289208. Mint Condition - with immediate next working day shipment from the UK to anywhere in the world.
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Amazon.co.uk Review
Twenty years after it topped the bestseller charts, Douglas R Hofstadter's Gödel, Escher, Bach: An Eternal Golden Braid is still something of a marvel. Besides being a profound and entertaining meditation on human thought and creativity, this book looks at the surprising points of contact between the music of Bach, the artwork of Escher, and the mathematics of Gödel. It also looks at the prospects for computers and artificial intelligence (AI) for mimicking human thought. For the general reader and the computer techie alike, this book still sets a standard for thinking about the future of computers and their relation to the way we think. Hofstadter's great achievement in Gödel, Escher, Bach was making abstruse mathematical topics (such as undecidability, recursion, and "strange loops") accessible and remarkably entertaining. Borrowing a page from Lewis Carroll (who might well have been a fan of this book), each chapter presents dialogue between the Tortoise and Achilles, as well as other characters who dramatise concepts discussed later in more detail. Allusions to Bach's music (centring on his Musical Offering) and Escher's continually paradoxical artwork are plentiful here. This more approachable material lets the author delve into serious number theory (concentrating on the ramifications of Gödel's Theorem of Incompleteness) while stopping along the way to ponder the work of a host of other mathematicians, artists, and thinkers. The world has moved on since 1979, of course. The book predicted that computers probably won't ever beat humans in chess, though Deep Blue beat Garry Kasparov in 1997. And the vinyl record, which serves for some of Hofstadter's best analogies, is now left to collectors. Sections on recursion and the graphs of certain functions from physics look tantalising, like the fractals of recent chaos theory. And AI has moved on, of course, with mixed results. Yet Gödel, Escher, Bach remains a remarkable achievement. Its intellectual range and ability to let us visualise difficult mathematical concepts help make it one of this century's best for anyone who's interested in computers and their potential for real intelligence. --Richard Dragan
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| Customer Reviews: Read 16 more reviews...
 This will make you think August 29, 2008
BillyM (London)
Like no other book I've read before, Godel, Escher, Bach really made me think. An incredibly clever author, dealing with hard to explain issues (- consciousness and identity primarily), Hofstadter still manages to keep the reader interested and entertained (mostly) throughout. Having said that, it's not an easy read or a relaxing read- I felt like I'd been put through a gruelling mental workout after most chapters. But... no pain, no gain I suppose, as the rewards are well worth it in the end.
Engaging and mind bending December 30, 2007
Theis Egeberg (Denmark)
1 out of 1 found this review helpful
Even though it is old, it still holds all its qualities intact. To me it is the bible of everything that begins with "meta". It hovers elegantly around so many subjects and still ties them together into self-reference and I doubt anyone can help but be charmed. The challenges are put forward in such a playful manner that only the crankiest stick in the stickiest mud could not help but swaying their way. But be warned - it does take an effort - and all other books will feel both easy, shallow and... well... literally light by comparison.
A great intro to some profound mathematics August 1, 2007
Matthew Ives (UK, London)
1 out of 1 found this review helpful
I read this when it was published back in '79 and it helped inspire me to more fully understand the massive achievments of Kurt Godel and his quite astonishing incompletness theorem.
For the casual reader, this is a wonderful book that will inspire you and give you a glimpse into the unsettling world of axiomatic set theory and it's uncany relationship to the music of Bach and the artistry of Esher.
Do buy this edition! June 19, 2007
Mr. G. Sexton (UK)
2 out of 2 found this review helpful
A wonderful book well worth reading.
I feel obliged to note that contrary to a previous review the book supplied to me had not lost '...the aesthetic appeal the previous editions had'. In fact the paper quality was not '...really bad' but rather good and the pages were certainly not '...almost transparent'. The book's size is very similar to a previous edition I have encountered and the margins are not smaller than they should be. I really cannot find fault with this edition of the book and strongly recommend that you buy a copy.
 It is big and it is clever May 7, 2007
muddy-funster (Kent, England)
16 out of 16 found this review helpful
This enormous book is a hymn to the "strange loop", a term coined by the author. Loosely, a strange loop occurs when, after moving up a level in a conceptual hierachy, one is brought strangely back to where one started. It's closely related to those paradoxes of self-reference which can occur when form and content become intertwined.
An example is the old joke about the park keeper angry that his park has been littered with leaflets entitled "Keep Britain Tidy". Another is building one computer system to test another computer system, and then needing a third system to test the one you've just built. Yet another is the Wikipedia entry of Douglas Hofstadter which, at the time of writing, contains a quote from Hofstadter stating that his Wikipedia entry is full of inaccuracies. (So, do you trust the entry enough to believe this quote claiming it's unreliable?) You get the idea.
Hofstadter sees these strange loops everywhere: in the music of Bach, the art of Escher and, most significantly, Gödel's incompleteness theorem, in which an algebraic system is used to prove a result about itself (rather than about numbers). After he's presented the various variations on these ideas, he then moves on to Artificial Intelligence, examining the "state of the art" as he sees it and discussing the implications of the earlier material for this subject.
Along the way he delves into various other diverse subjects such as the structure of the human brain or the challenges of translating a novel into different (human) languages. Much of this is fascinating stuff and if you are mathematically inclined, there is plenty to love about this book.
Given all the above, why not give the man 5 stars - what more could one possibly ask for?! Well, personally I have a number of objections to this work which I'll mention briefly before the crowd throws rotten fruit at me. Firstly, I am not sure that *all* Hofstadter's examples are on the ball. For example, the loop in Bach's "endlessly rising" canon is simply a consequence of there being 12 semitones in an octave, rather than any subtle paradox of self-reference. Similarly, the main theme from Bach's Musical Offering is not "Babbage" backwards, however you push it! In short, I suspect the author's obsessions can cause him to see patterns in the world around him which aren't really there.
Secondly, his would-be humorous writing style, quirky and lively though it is, will not be to everyone's taste ("Why, you don't say, Mr T!"). Thirdly, some readers will wish he had been more honest up-front about the book really being about AI (and something of a polemic, as evidenced by his almost mean-spirited attack on the philosopher John Lucas in several places): personally, it's not a subject close to my heart and I would have been rather more interested in delving into, say, what makes Bach's music beautiful and spiritual, as the cover suggests we will be doing. And fourthly, and most seriously, I am not convinced that Hofstadter is that great a pedagogue: the facetious style and inordinate length of the book can serve to obscure, rather than illuminate, his meaning.
These niggles notwithstanding, this book really is a fine achievement and, if you have the time and inclination (you'll need both in spades), likely to be a very rewarding read.
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