This book investigates the theoretical framework of relational grammar, proposing a new model for understanding syntactic structures and their relationships. Postal, a prominent figure in linguistics, draws upon extensive research and analysis to present his arguments. The work aims to challenge existing paradigms and offer a more comprehensive account of language's underlying principles.

This work is recognized as a significant contribution to theoretical linguistics, particularly within the field of relational grammar. It is often cited in academic discussions concerning syntactic theory and the formal analysis of language structure. The book is generally regarded as a dense, specialist text intended for advanced students and researchers in linguistics.