On Rules Regarding the Practical Part of the Medical Art

*On Rules Regarding the Practical Part of the Medical Art* was lost to scholars for centuries before it was discovered in the Biblioteca Nacional de España by the great bio-bibliographer Moritz Steinschneider, who initially thought it was simply another copy of *On Asthma*. The publication of this new translation marks the first time the Arabic manuscript and Gerrit Bos's English version have been available to a modern audience in any form. It is in Maimonides's favored aphoristic format and contains some unique advice on serious abdominal wounds, which is most likely a reflection on Maimonides's own experience with battlefield casualties.