J. Shah, Overview. B.K. Ridley, Electron-Phonon Interactions in 2D Systems. S. Das Sarma, Quantum Many-Body Aspects of Hot-Carrier Relaxation in Semiconductor Microstructures. W. P*adotz and P. Kocevar, Cooling of Highly Photoexcited Electron-Hole Plasma in Polar Semiconductors and Semiconductor Wells: A Balance-Equation Approach. A.P. Jauho, Tunneling Times in Semiconductor Heterostructures: A Critical Review. F. Rossi, R. Brunetti, and C. Jacoboni, Quantum Transport. S.M. Goodnick and P. Lugli, Hot-Carrier Relaxation in Quasi-2D Systems. I.C. Kizilyalli and K. Hess, Monte Carlo Simulation of GaAs-AlxGA1-xASField-Effect Transistors. J. Shah, Ultrafast Luminescence Studies of Carrier Relaxation and Tunneling in Semicondutor Nanostructures. W.H. Knox, Optical Studies of Femtosecond Carrier Thermalization in GaAs. J.F. Ryan and M.C. Tatham, Time-Resolved Raman Measurements of Electron-Phonon Interactions in Quantum Wells and Superlattices. R.A. H*adopfel, J. Shah, and S. Juen, Electron-Hole Scattering in Quantum Wells. M. Heiblum and U. Sivan, Ballistic Transport in Two-Dimensional Electron Gas. N. Yokoyama, H. Oshnishi, T. Mori, M. Takatsu, S. Muto, K. Imamura, and A. Shibatomi, Resonant-Tunneling Hot Electron Transistors. E.R. Brown, Resonant Tunneling in High-Speed Double Barrier Diodes. Chapter References. Index.