 There are also a number of recording attributed to al-Maqdisi in which he explains the issue of faith.He cemented his position as a mufti of international standing with his final book "As'illa Wa Agwiba Sharia Hawl Al Qadiyah Al Filistaniyah" (Juristic Questions and Answers Regarding the Palestinian Cause).On 14 August 2009, Moussa proclaimed an "Islamic Emirate" in the Palestinian Territories.