▁a ▁review ▁that ▁described ▁the ▁work ▁as ▁" an ▁important ▁entry ▁in ▁the ▁debate ▁over ▁the ▁meaning ▁of ▁ 9 / 1 1 ▁and ▁after ". ▁Author ▁Sam ▁Harris ▁pra ised ▁the ▁work ▁in ▁Harris ' ▁own ▁book ▁The ▁End ▁of ▁Fa ith , ▁which ▁also ▁discussed ▁j ih ad ist ▁terror ism . ▁Washington ▁Month ly ▁journalist ▁Josh ua ▁Mic ah ▁Marshall ▁particularly ▁remarked ▁that ▁" B erman ' s ▁book ▁is ▁by ▁turns ▁pen etr ating , ▁insight ful , ▁honest , ▁slo ppy , ▁er ud ite , ▁super f icial , ▁hot - blo oded , ▁serious , ▁and ▁flor id ." ▁ ▁Cont ents ▁B erman ▁begins ▁the ▁book ▁with ▁a ▁discussion ▁of ▁the ▁September ▁ 1 1 ▁attacks ▁of ▁ 2 0 0 1 . ▁He ▁then ▁details ▁the ▁ide ology ▁of ▁Say y id ▁Q ut b , ▁an ▁influ ential ▁figure ▁behind ▁the ▁development ▁of ▁Islam ism , ▁before ▁moving ▁on ▁to ▁a ▁general ▁over view ▁of ▁suic idal ▁Islam ic ▁extrem ist ▁violence ▁that ▁preced ed ▁the ▁World ▁Trade ▁Center ▁attacks . ▁B erman ▁arg ues ▁against ▁the ▁two ▁popular ▁views ▁that ▁the ▁success ▁of ▁groups ▁such ▁as ▁al ▁Q a eda ▁are ▁either , ▁first , ▁the ▁l ash ing ▁out ▁of ▁the ▁soci ally ▁opp ress ed ▁or , ▁second , ▁an ▁al ien , ▁distant ▁product ▁of ▁a ▁Muslim ▁people ▁with ▁fund ament ally ▁anti - West ern ▁religious ▁belief s ▁and ▁values . ▁ ▁B erman ▁discuss es ▁the ▁so