Facsimiles of 15 articles, 14 in French, first published between 1964 and 1994, explore the European study of the planets during the Middle Ages. They discuss astronomical tables, horoscopes, vocabulary, and astronomers such as Gerbert and Guillaume Postel. The English contribution is on the Alfonsine tables and Alfonse X of Castile. Distributed in the US by Ashgate. Annotation c. by Book News, Inc., Portland, Or.