The Book of Aristotle, a lost work by Masha'allah, translated into Latin in the 12th Century and immediately forgotten, the only two surviving copies were saved by the astrologer-magician John Dee. Now available in translation for the first time in 900 years, this presents a full treatment of nativities drawing extensively on Valens, Rhetorius, Masha'allah's more complete version of Dorotheus, a lost work by al-Andarzaghar on annual predictions, and more. Has previously unknown material from Dorotheus on Lots, friendship, and travel. Takes the source material and breaks it down into highly-organized and digestible chunks.On the Judgments of Nativities by Abu 'Ali, a student of Masha'allah's. This new English translation corrects problems in Holden's edition. The relationship of Abu 'Ali to Masha'allah's works (including the Book of Aristotle) is explained in detail.The Introduction gives a historical and textual introduction to the Book of Arisotle, a description of new material, some cosmological ideas of Masha'allah, a possible alternative Rhetorius, a new interpretation of sect and its delineation, an outline of the annual predictive methods, and extensive notes on Latin, Arabic and Persian vocabulary.