Hadith it". This led to "the almost complete neglect" of traditions from Companions and others. Collections of ahadith sometimes mix those of Muhammad with the reports of others. Muwatta Imam Malik is usually described as "the earliest written collection of hadith" but sayings of Muhammad are “blended with the sayings of the companions”, (822 hadith from Muhammad and 898 from others, according to the count of one edition). In "Introduction to Hadith" by Abd al-Hadi al-Fadli, "Kitab Ali" is referred to as "the first hadith book of the "Ahl al-Bayt" (family of Muhammad) to be written on the authority of the
Hadith of the Ark follows: Behold! The similitude of my Ahlul Bayt, is like that of the Ark of Noah: The one who embarks it, will have saved himself, and the one who turns away from it, is doomed. Many Sunni books narrate this Hadith. Some significant Sunni books that narrate this Hadith are: Al-Hakim al-Nisaburi, one of the greatest Sunni scholars, narrated this hadith as authentic (sahih) in his Mustadrak. Al-Heithami in his book ("written against Shia") states: By many narrations of this hadith which strengthen each other;""certainly Ahl al-Bayt are like the Ark of Noah, saved Whoever boarded"", and in Sahih Muslim