nam ▁R . E . G . ▁Dav ies ▁( 1 9 6 4 ) ▁A ▁History ▁of ▁the ▁World ’ s ▁Airlines , ▁Oxford : ▁Oxford ▁University ▁Press ▁Peter ▁E wer ▁( 2 0 0 7 ) ▁‘ A ▁Gent le men ’ s ▁Club ▁in ▁the ▁Cloud s : ▁Re - ass ess ing ▁the ▁Empire ▁Air ▁Mail ▁Sch eme ▁ 1 9 3 3 - 1 9 3 9 ’ , ▁Journal ▁of ▁Transport ▁History , ▁Vol ▁ 2 8 , ▁No . ▁ 1 ▁Peter ▁E wer ▁( 2 0 0 9 ) ▁W ounded ▁E agle : ▁the ▁bomb ing ▁of ▁Dar win ▁and ▁Australia ’ s ▁air ▁defence ▁sc andal , ▁Sydney : ▁New ▁Holland ▁Richard ▁Smith , ▁( 1 9 8 3 ) ▁‘ The ▁Inter cont inental ▁Air lin er ▁and ▁the ▁Ess ence ▁of ▁Air plane ▁Performance ▁ 1 9 2 9 - 1 9 3 9 ’ , ▁Technology ▁and ▁Culture , ▁Volume ▁ 2 4 , ▁No . ▁ 3 , ▁pp 4 2 8 – 4 4 9 ▁ ▁Category : A ir mail <0x0A> </s> ▁Left ▁of ▁Bo om : ▁How ▁a ▁Young ▁C IA ▁Case ▁Officer ▁Pen etr ated ▁the ▁Tal ib an ▁and ▁Al - Q a eda ▁is ▁a ▁mem oir ▁by ▁Doug ▁L aux , ▁a ▁former ▁case ▁officer ▁for ▁the ▁Central ▁Int elligence ▁Agency , ▁and ▁Ralph ▁Pe zz ul lo . ▁ ▁Background ▁The ▁book ▁details ▁the ▁experiences ▁of ▁Doug ▁L aux , ▁who