The “Kelal Qatan (Concise Summary)” was composed by David Ben Yom Tov, a Hebrew scholar who lived in the first half of the 14th century. He is known in Latin simply as David Iudaeus. This is a text on medical astrology, dealing primarily with the astrological indications pertaining especially to fevers. It is the most detailed and extensive original Hebrew treatise on astrological medicine surviving in Hebrew Literature. Contents of this edition: Introduction; Original Hebrew Text; The Latin Text; Modern English Translation; Glossary; and Bibliography. Color and black and white illustrations.