Ancient Calendars and Constellations by Emmeline M. Plunkett is a fascinating study of ancient calendars and constellations. The author examines in detail how ancient civilizations used calendars to measure time and observe the movement of the stars in the sky. The book reveals the secrets of ancient timekeeping systems, revealing the connection between cultural traditions and astronomical observations. "Ancient Calendars and Constellations" is an indispensable source of knowledge for anyone interested in the history of astronomy and the culture of ancient peoples.