"Sunan Abi Dawud is a collection of hadith compiled by Imam Abu Dawud Sulayman ibn al-Ash'ath as-Sijistani (rahimahullah). It is widely considered to be among the six canonical collections of hadith (Kutub as-Sittah) of the Sunnah of the Prophet Muhammad(ﷺ). It consists of 5274 ahadith in 43 books."
