Black Hole Entropy and Quantum Gravity: An elementary introduction is given to the problem of black hole entropy as formulated by Bekenstein and Hawking.
Black Hole Evaporation: A tutorial in the actual computation of Unruh, Hawking, Gibbons and other radiation
The Thermodyanmics of Black Holes: This review includes discussion of classical black hole thermodynamics, Hawking radiation from black holes, the generalized second law, and the issue of entropy bounds.