Gain a deeper understanding of essential research on the semantics of noun phrases and verb phrases. Clear explanations of significant recent research bring complex issues to life, with expert guidance on topics of debate within the field. The book gives readers valuable insights into topics such as definiteness, specificity, genericity aspect, aktionsart and mood. It also discusses directions for future research. Written by a world-class team of authors, these highly cited articles are here in paperback for the first time since their original publication. An essential reference for researchers in the area.