In The Subjunctive Mood in Arabic Grammatical Thought Arik Sadan outlines the grammatical theories on the naṣb (subjunctive mood) in Classical Arabic. Examining over 160 treatises written by 85 grammarians, lexicographers and Qurʾān commentators, the author defines and characterizes the opinions of medieval Arab grammarians concerning this mood in the verbal system of Classical Arabic. Special attention is given to the prominent early grammarians Sībawayhi (d. ca. 180/796) and al-Farrāʾ (d. 207/822), who represent the Schools of al-Baṣra and...