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If you want something from a more QFT point of view, Witten's 1989 paper on the Jones polynomial is pretty readable.
http://projecteuclid.org/DPubS?service=UI&version=1.0&verb=Display&handle=euclid.cmp/1104178138Link
http://projecteuclid.org/DPubS?service=UI&version=1.0&verb=Display&handle=euclid.cmp/1104178138
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