In 9 volumes, a work by Sheikh Muhammad al-Albani. A synthesis of the hadith in «Manar al-Sabil fi Sharh al-Dalil» by Sheikh Ibrahim ibn Dawyan (1858 or 59 - 1934 or 35), a work of Hanbali jurisprudence. Al-Albani arranged the hadiths according to their occurrence in the original source, where he mentions the hadith and explains its methods, and who narrated it, and the evidence and references it has, and the chain of transmission. A very useful work in hadith studies and authorities.