A comprehensive advanced level examination of the transport theory of nanoscale devices * Provides advanced level material of electron transport in nanoscale devices from basic principles of quantum mechanics through to advanced theory and various numerical techniques for electron transport * Combines several up-to-date theoretical and numerical approaches in a unified manner, such as Wigner-Boltzmann equation, the recent progress of carrier transport research for nanoscale MOS transistors, and quantum correction approximations * The authors approach the subject in a logical and systematic way, reflecting their extensive teaching and research backgrounds