These volumes have set a new standard of review articles which are very close to the level of textbooks and fulfill at the same time the task of covering new subjects in the sense of a review. They have thus been regarded among the most appreciated books in libraries for the nuclear physics community all over the world.' — Institute of Physics Journal, from a review of a previous volume Volume 23 explores the important topic of light front quantization and reviews major advances in electron-induced nucleon knockout reactions