This book is an explanation of Usool As-Sunnah by Abu Bakr Al-Humaidee d.219H. It is Explained by Shaykh Ubayd 'Abdullaah bin Sulayman Al-Jabiree (Hafidhullaah ta'alaa) on yellow paper. Compiled by Abu Mu'adh Al-Iraqee and printed by Darul Imaam Ahmad the book consist of 87 pages.