The Dream Machine provides a plethora of information to the reader. It gives specific detials of the evolution of the computer. Including: many people, companies (IBM, Remington Rand), the languages of programming, the personal computer and more...

This is the first book I've read on Charles Babbage, but I imagine that there are others that are better. First, this book seems to assume you've already read a book or two about Babbage before. It almost has an apologetic tone and seems to be an answer to what, I assume, have been slights against Babbage and his work. Second, this book is as much about the author and his quest to build a Difference Engine as it is about Babbage himself. If you want to hear about dealing with office politics in an British museum, you may find this interesting.

All in all, this is a fairly dry read. It was interesting at points, but I certainly wouldn't recommend it for your first book on Babbage.

This book has 2 basic parts. First, is the discussion of Babbage's life and his computing engines. Second, is the author's modern-day story of attempting to complete Babbage's Difference Engine, a feat which Babbage himself was unable to do. I picked up this book for the first part. I wanted to learn about Babbage and how his engines worked. While the author gives a wonderful account of Babbage's life and methodology, he does not clearly describe HOW these engines function. I realize that the engines are extremely complex, but a chapter on the functioning of the Difference Engine trial piece and some diagrams on its operations would have been much appreciated. Unfortunately, as were Babbage's contemporaries, we are left mainly in dark as to how simply turning a crank can produce the necessary additions. The author also never fully explains the "method of finite differences" upon which the function of the difference engine is based.

The most amazing part of the book is the overview of Babbage's design for the Analytical Engine- the first programmable computer. It is amazingly similar in concept to today's modern computers, but it uses motion through metal gears and cams, instead of electricity through logic gates and wires. I expected to be bored by the modern-day story, but I actually was interested in the process of reconstructing this 19th century machine. It was enlightening to see how the same problems Babbage faced 150 years before troubled engineers today.

Overall, I recommend this book for those curious about Babbage and his engines. However, the writing seems jerky and unorganized in parts, and there is little technical description of the engines' functionality.

I enjoyed this book very much. It was refreshing to step away from the technical library and read more about the people, machines, trials, and triumphs that occured as far back as the early 1800's.

Though it all you learn about a man who had such vision. His execution could be faulted for many reasons. But in the end the machine works! I can not wait to see the Difference Engine myself someday.