Da’a’im al-Islam (The Pillars of Islam) refers to the seminal work of Ismaili Shia jurisprudence written by Al-Qadi al-Nu’man
Da'a'im al-Islam (The Pillars of Islam) is the primary book of Ismaili Shia jurisprudence , authored by the celebrated Fatimid jurist Al-Qadi al-Nu'man Daim Al-islam English Pdf
Internet Archive: You can find digitized versions of older translations and summaries of the Da'a'im al-Islam by searching the Internet Archive. Da’a’im al-Islam (The Pillars of Islam) refers to
The hardcover and e-book versions of Volume I can be purchased directly from OUP or Amazon. Some university libraries provide free OUP access. Daim Al-islam English Pdf
The Primary Source: The definitive English translation is published by The Institute of Ismaili Studies (IIS) in London.