One of the two compilers of Hadith that deals with legal traditions of permissions and prohibitions is
Explanation
Ibn Majah wrote numerous books topped by his well-known book of Hadith 'As-Sunan'. This book received high praise from the scholars of Hadith for his special approach and the fact that it included authentic Hadiths not found in the other books of Sunan or the Sahihs of Al-Bukhari and Muslim. He also compiled a great book in Tafsir, as mentioned, in Al-Bidayah wa An-Nihayah, but unfortunately it was lost. He also wrote a book of history that covered the era of the Prophet (S.A.W.) to his time. This book remained long after his demise, as stated by At-Tahir Al-Maqdisi and Ibn Khallikan but it was also lost.