The present collection by Professor GarcAa-Ballester deals with medicine and science (i.e. natural philosophy) in the Spanish kingdoms of Castile and Aragon between the 13th and the 17th centuries. It includes a new English version of a major study first published in Spanish. While sharing much, including Galenism (which is the subject of a further collection) as a dominant medical doctrine, with other parts of medieval and Renaissance Europe, Spain was unique in having a medical marketplace uniting Christian, Jewish, Muslim and converso practitioners. The complex processes of cultural...