In Indefinite Objects, Luis Lopez presents a novel approach to the syntax-semantics interface using indefinite noun phrases as a database. Traditional approaches map structural configurations to semantic interpretations directly; Lopez links configuration to a mode of semantic composition, with the latter yielding the interpretation. The polyvalent behavior of indefinites has long been explored by linguists who have been interested in their syntax, semantics, and case morphology, and Lopez's contribution can be seen as a synthesis of findings from several traditions. He argues,...