Abū Hilāl al-ʿAskarī's "Kitāb al-Ṣināʿatayn," or "The Book of the Two Arts," is a monumental work of classical Arabic literary criticism and rhetoric. Penned by the esteemed scholar from the 10th century, this treatise meticulously examines the twin pillars of Arabic eloquence: writing (prose) and poetry. Al-ʿAskarī delves into the intricate principles that govern effective literary composition, discussing aspects such as stylistic elegance, rhetorical figures, word choice, and the criteria for evaluating literary quality. It serves as a foundational text for understanding the aesthetic and structural elements that define masterworks in both prose and verse, offering timeless insights into the craft of language. Its comprehensive approach made it an indispensable guide for aspiring writers and critics in the Islamic golden age and continues to be studied for its profound contributions to Arabic literary theory.