المسودة في أصول الفقه
للأئمة عبد السلام ابن تيمية و ولده عبد الحليم بن عبد السلام و حفيده أحمد بن عبد الحليم بن عبد السلام
An excellent book on the principles of jurisprudence (Usul al-fiqh) of the ibn Taymiyyah's family.
The book was written by 'Abd As-Salam ibn Taymiyyah, the grandfather of Shaykh Al-Islam. It was annotated by his son, 'Abd Al-Halim, and increased by Shaykh al-Islam himself.
In its best edition, the text is transcribed according to five manuscripts, hadiths are referenced, with four different contents ...