This book investigates the pronunciation of Middle English as spoken during Geoffrey Chaucer's time. It aims to provide a scholarly reconstruction of the sounds and speech patterns of the late 14th century, offering insights into the evolution of the English language. The work is based on extensive linguistic analysis of contemporary texts and comparative philology.

This work is regarded as a foundational text for scholars and students of Middle English and Chaucerian studies. Its detailed phonetic analysis and practical guidance for pronunciation are frequently cited in academic discourse. The book is valued for its rigorous scholarship and its contribution to understanding historical English phonology.