Ash-Shaykh Ar-Raajhee does a beneficial explaination of some very importnant Rasaa'il of Shaykh Muhammad bin Abdul Wahhab - He explains Al-Usool At-Thalathaa, Al-Qawaa'id Al-Arba', Nawaaqid Al-Islaam and Risaalah Li-Ahlil Qaseem fee Bayaan 'Aqeedah Printed yellow paper by Maktabah Al-Malik Fahd Al-Wataniyyah 308 pages.