This seminal work presents 'Diwan Abi Tammam', a meticulously edited collection of the classical Arabic poetry of Abu Tammam, one of the most influential Abbasid poets. Prepared by Dr. Muhyi al-Din Subhi and published by Dar Sader, this edition, Volume 1 of 2, offers a critical and scholarly approach to Abu Tammam's profound contributions to Arabic literature. It provides invaluable insights into the historical, cultural, and linguistic contexts of 9th-century Arabic poetry, making it an essential resource for scholars, students, and enthusiasts of classical Arabic verse. Subhi's rigorous research ensures an authoritative text, illuminating the artistic brilliance and enduring legacy of Abu Tammam.