The Al-Fajr media center published the book “Why Jihad? The Urgent Need”, authored by the late Sheikh Abu Al-Hassan Al-Filistini, Al-Qaeda in Iraq's former religious leader. The book was published in February 2011 in collaboration with the Al-Hima library of the Islamic State of Iraq. This is the sixth book in a series of publications titled “With their blood they advise”. The authors of this series are distinguished men and leaders from the elite of the founders of the Islamic State of Iraq, such as Sheikh Maysarah Al-Gharib, Sheikh Abu Hamza Al-Muhajir; who was the organization's Minister of War until his elimination in April 2011 and Sheikh Abu Al-Hassan Al-Filastini.