"Behold! an astonishingly thorough account of how observers from ancient Greece to fifteenth-century Vienna and Nuremberg envisioned the star patterns. It is hard to imagine that any celestial globe or manuscript from this period has escaped Elly Dekker's meticulous sleuthing and analysis. The result is this admirable and beautifully illustrated tour de force of scholarship."
- Owen Gingerich, Harvard-Smithsonian Center for Astrophysics
"This impressive study is the first comprehensive history of ancient and medieval celestial globes and maps based on the artifacts, most of which Elly Dekker has examined directly. Its greatest virtue is to combine mathematical and theoretical expertise with a practical approach to its objects." --Speculum, 2014
"[A] splendid book that will be treasured by every serious student of the subject." --Imago Mundi
About the Author
Elly Dekker is an independent scholar studying the history of astronomy and of scientific instruments. She was awarded the Sackler Fellowship and the Caird medal for cataloguing the collection of globes and armillary spheres of the National Maritime Museum at Greenwich.