This booklet was published by Al Ansar. The word Ansar means supporters and refers to those who support the mujahideen. The word mujahideen comes from mujahada which means to fight to impose the religion. (Um Dat Al-Salik)
The group has published a book called the “Book of Truth” which distinquishes between the truth Muslim and the false and the importance of jihad against the Americans. This booklet was written when American troops were in Iraq. Despite this the concepts are not outdated.The booklet is rather short being only 26 pages in length nevertheless it provides real insight into Jihad.