10 of 10. Details fundamental programming language concepts with a focus on the implementation of them, including closures, type checking, continuations, object orientation, and the like. The book gives a great overview, building a functional interpreter using Scheme along the way to illustrate and highlight points. There is just the right amount of formal notation. Highly recommended.

10 of 10. The Wizard book. Although it's available for free online, I ended up buying a copy. This is a classic book on fundamental concepts of programming, with a heavy focus on Scheme and functional programming constructs. Anyone who doesn't already own it... well... should. :)

9 of 10. An amazing collection of essays covering the spectrum of Turing's life. Not super-geeky, but nonetheless a fascinating set of pieces. I've been interested in Turing ever since I read The Code Book: The Evolution Of Secrecy From Mary, Queen Of Scots To Quantum Crytography years and years ago, a historical account of cryptography with a decent coverage of his attempts and eventual success to break the ENIGMA.

8 of 10. This is the classic text on Ruby, the programming language. This is referred to the "PickAxe" among the Ruby crowd. The first edition has been out of print for some time, so the recent re-release of a second edition is very welcome! Not only has it been updated to cover Ruby 1.8, but it has much more content than the first edition. Great book, especially for reference. (Ruby isn't known for its great documentation!)

7 of 10. This book is a brief tour of the Haskell programming language, using multimedia examples to illustrate a variety of potential uses. I found it a bit too geared towards the functional language beginner. The focus on multimedia was interesting, albeit distracting at times.