The book "Astronomical Mythology in the Works of Chaucer" by the author Florence M. Grimm is a study of the influence of astronomy and astrology on the work of the great English poet Geoffrey Chaucer. In this book, the author explores the various astronomical and mythological aspects that are present in Chaucer's work, revealing the importance of these themes for understanding his poetry and worldview. The book "Astronomical Mythology in the Works of Chaucer" is an important document for admirers of Chaucer's work, as well as for researchers of the literature of the Middle Ages.