The Kitab al-Athar was the first book composed in Islam after the generation of the Companions. Al-Imam al-A’zam Abu Hanifah Nu’man ibn Thabit wrote it. It comprises Ahadith that connect directly back to the Messenger of Allah sallallahu 'alayhi wasallam (marfu’), those which stop short at a Companion or one of the Followers (mawquf) and those which are attributed to the Messenger sallallahu 'alayhi wasallam directly by one of the Followers or Followers of the Followers without attribution to a Companion (mursal).
Publisher: Turath Publishing
Author: Imam Muhammad Ibn Al-Hasan Ash-Shaybani