X + 443 pp. Index graeco-latinus, index latino-graecus. Supplementum latinum. Bibliography. Some Greek, text in Latin, else English. Grey cloth with blind stamped medieval scholar, blue gilt to spine. Covers clean and nice, small bit of shelf soil at the top edge, boards just slightly bowed, otherwise crisp and clean. Nice copy. The first edition ever of William of Moerbeke's Latin translation of Ptolemy's celebrated astrological handbook. Ptlemy's treatise offers a systematic overview of astrological science and had, an enormous influence into the 17th century. William of oerbeke's translation was made directly from the Greek: it is a major scholarly achievement that displays not only his genius as a translator, but also as a scientist. ; Ancient and Medieval Philosophy, Series 1; 9.41 X 6.30 X 1.18 inches; 443 pages