The Emperor's New MindSubtitle is: concerning computers, minds, and the laws of physics. By the former Oxford don Sir Roger Penrose.
Penrose is one of the greatest theoretical physicists of the twentieth century. This book came out in 1989 and I acquired it and read it not long after. It is due for a second read, something I aim to do in the next year or so.
The book is long, big, quite complex, and if you're not scientifically equipped to handle such thinking, difficult.
His main thesis is a powerful argument that minds are not just computers writ complex. Therefore the hope of the artificial intelligence advocates would be waylaid, as their attempts to think their way towards an ever more complex computer, via robotics, etc., will not result in a simulation of the human mind.
He takes us on a journey through some interesting mathematics, Turing machines, quantum theory, the lot, to demonstrate his case.
Worth a read if, like me, you find this sort of stuff fascinating.