Claudius Ptolemy was an influential Greek astronomer, geographer, and mathematician who lived in Egypt under Roman rule, around 100 AD to 170 AD. He is best known for his work 'The Almagest', a comprehensive treatise on the geocentric model of the universe, which held sway for many centuries. Ptolemy also authored 'Geography', a significant work on the world's geography as known in his time, and the 'Tetrabiblos', an influential text on astrology.


This list of books are ONLY the books that have been ranked on the lists that are aggregated on this site. This is not a comprehensive list of all books by this author.

  1. 1. Almagest

    "Almagest" is a seminal work on astronomy and mathematics, written in the 2nd century. The book presents a comprehensive system of the world, including a detailed account of the fixed stars and the motions of the planets. It also includes a mathematical toolkit that was essential for understanding the heavens in its time, such as a catalogue of stars, the lengths of the tropical year and the lunar month, and the theory of the Sun, Moon, and planets. The book's geocentric model, where the Earth is at the center of the universe, was widely accepted until the Copernican Revolution.

  2. 2. Geography

    "Geography" is a seminal work in the field of geography and cartography, written by a renowned ancient Greek scholar. The book provides comprehensive details about the world as known during the Roman Empire. It contains a wealth of information about various countries, cities, landmarks, and geographical features, along with instructions on how to create maps. The author also introduces the concept of longitude and latitude, making this work a significant contribution to the field of geography.