The book analyzes Chaucer's use of celestial imagery, astrological symbols, and references to astronomical phenomena, exploring how these elements are woven into the fabric of his storytelling. Grimm provides detailed explanations of the astronomical concepts mentioned in Chaucer's works, offering insights into how the stars and planets were understood during the Middle Ages and how they influenced literary expression.Through Astronomical Lore in Chaucer, Grimm sheds light on the complex interplay between science and literature during Chaucer's time. The book is valuable for scholars of Chaucer, medieval literature, and the history of astronomy, offering a deeper understanding of how medieval writers used scientific knowledge to enrich their works and connect to the worldview of their era.