If you still haven't chosen a book to take with to the desert island, I have a suggestion: L'encyclopédie du ciel. At 1,202 pages, it will keep you occupied day and night: what you read as text by day will help you read by night in the sky. This wonderful and extremely useful book is as difficult to classify as it is to put down. Essentially, it is a compendium of Greco-Roman discourse on the stars and planets, divided into three parts. The first (‘Les images: histoire et mythologie: voir et raconter’) is about the constellations and the planets. It opens with a catalogue in which each constellation is illustrated, explained, and accompanied with appropriate quotations from Eratosthenes’ Catasterismoi and Hyginus’ Astronomica. There follow essays about the names of the constellations, on the Sun, Moon, and the planets, and one on Greek and Roman creation myths. All are accompanied by long passages of appropriate Greek and Latin texts in translation. The second part of the book (‘Les lois: l'astronomie: observer et calculer’) is about the ancient attempts to make sense of and explain the stars and planets as a system, about calendars, and about ancient astronomical instruments and objects. This part of the book also contains a complete translation of Hipparchus’ Commentary on the Phaenomena of Eudoxus and Aratus. It closes with an account of Greek star catalogues. The third part of the book is concerned with various attempts to interpret the celestial phenomena (‘Les messages: signes et influence: interpréter et prédire’). It includes, but is not restricted to, astrology; philosophical ideas are also discussed, such as astral apotheosis, the ascent of the soul through the sky, and the music of the spheres. There is a dictionary of astronomical and astrological terms and a dictionary of ancient astronomers and authors dealing with astronomy. The book closes with parallel star catalogues of Eratosthenes, Hipparchus, and Ptolemy.
