Ptolemy's Geography. An Annotated Translation O... Apr 2026

: Ptolemy details how to gather geographical data and transform a spherical Earth into a flat map using applied mathematics and astronomical observation.

: Case studies, such as the Roman province of Gaul, and captions for finished maps. Scholarly Contributions Ptolemy's Geography. An Annotated Translation o...

: Instructions on map construction and a critique of previous geographers like Marinus of Tyre. : Ptolemy details how to gather geographical data

, published by Princeton University Press , is a landmark scholarly work by J. Lennart Berggren and Alexander Jones. It provides the first reliable English translation of the essential theoretical sections of Claudius Ptolemy's Geographia , a second-century AD text that served as the foundational guide for cartography for over 1,500 years. Core Focus and Content , published by Princeton University Press , is

The translation focuses on the "theoretical chapters" rather than the thousands of coordinate listings found in the original eight-book set.