al-Qawl al-Mufeed 'ala Kitab at-Tawheed القول المفيد على كتاب التوحيد 

ash-Shaykh Muhammad Saalih al-Uthaymeen's explanation of ash-Shaykh Muhammad ibn Abdul Wahhab's Explanation of Kitaab at-Tawheed. Printed in one volume is KSA by Dar Ibn al-Jowzi.