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The Thermodynamics of Black Holes
http://arxiv.org/abs/gr-qc/9912119Review by Bob Wald (University of Chicago). Suitable for undergraduates; includes discussion of classical black hole thermodynamics, Hawking radiation from black holes, the generalized second law, and the issue of entropy bounds.
Submitted in section: Physics: Relativity: Black Holes: Thermodynamics: The Thermodynamics of Black Holes