The book which our Shaykh bases his lesson on, is by Ibn Qudaamah Al Maqdisi (Muwaffaq ud deen) who was born in Palestine and moved to Damascus when he was 10.He later travelled to Iraaq to further his education and soon become the main Scholar of the Hanbalis in his time.

He was born in 541 H and died in 620H. Shaykh ul Islaam, Ibn Taiymiyah said about him, "No one possessing more understanding of the religon entered Shaam, after Al-Awzaa'ee, other than Shaykh al Muwaffaq". Ibn Katheer said about him , "He was the Shaykh l Islaam, an Imaam, a Scholar, outstandingly proficient. there was not found in his time nor before it by a long span of time, anyone possessing more Fiqh than him."

He authored a great many books. In fiqh he wrote the famous compendium of Fiqh 'al mughnee' as well as other Fiqh books including Al Umdah. He also wrote on Aqueedah, Usool, Hadeeth e.t.c

Ibn Rajab al Hanbali said about his books "He generated benefit to all the Muslims on a general level, and to the scholars of the (Hanbali) Madhab on a specific level. These books spread widely and grew very popular, according to the nobility of his intention and sincereity when writing them." It is also noteworthy that Ibn Qudamah al Maqdisi lived at the time of the Crusades and was Invoved in the Jihad against the crusaders and made Jihad alongside the famous Salaah ud Deen al Ayoobi.