Good source for info about string theory?

Question

I get the general idea of what string theory is, but I'd like to learn more about it. Are there any books, videos or websites that provide an in-depth explanation of the theory? I have a good understanding of physics in general, so the esoteric nature of the theory probably won't be a problem.

Also, how much validity does string theory hold? Aside from it being untestable and unfalsifiable with our current technology, are there any other holes within it?

Answer 1

http://www.superstringtheory.com/

http://www.timesonline.co.uk/tol/news/uk...

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