ure ▁in ▁the ▁Bla ke ▁and ▁Mort imer ▁series . ▁ ▁It ▁was ▁written ▁by ▁Y ves ▁S ente ▁and ▁drawn ▁by ▁André ▁Ju ill ard ▁and ▁Ét ienne ▁Sch ré der , ▁with ▁color ▁by ▁Made le ine ▁de ▁M ille . ▁ ▁The ▁volume ▁was ▁released ▁on ▁December ▁ 5 , ▁ 2 0 1 4 . ▁ ▁It ▁was ▁pre - pub lished ▁as ▁a ▁series ▁of ▁daily ▁com ic ▁stri ps ▁beginning ▁in ▁April ▁ 2 0 1 4 ▁in ▁Le ▁So ir , ▁and ▁repeated ▁in ▁the ▁summer ▁of ▁ 2 0 1 4 ▁in ▁Le ▁T élé gram me . ▁The ▁title ▁refers ▁to ▁the ▁sc yt ale , ▁a ▁military ▁coding ▁system ▁and ▁one ▁of ▁the ▁oldest ▁messages ▁in ▁history . ▁ ▁Plot ▁In ▁spring ▁ 1 9 4 4 , ▁a ▁flying ▁wing ▁of ▁the ▁Third ▁Reich ▁heads ▁to ▁London ▁to ▁destroy ▁the ▁seat ▁of ▁Parliament ▁at ▁the ▁Palace ▁of ▁West min ster . ▁British ▁air ▁defense ▁was ▁in effect ive ▁up ▁with ▁the ▁speed ▁of ▁the ▁jet , ▁Captain ▁Francis ▁Bla ke , ▁squad ron ▁leader ▁ab o ard ▁the ▁aircraft ▁car rier ▁The ▁In tre pid , ▁was ▁sent ▁to ▁meet ▁with ▁the ▁prototype ▁aircraft ▁in ▁Golden ▁Ro cket ▁reaction . ▁After ▁an ▁aer ial ▁battle ▁domin ated ▁by ▁German , ▁Bla ke ▁managed ▁to ▁prev ail ▁by ▁project ing ▁its ▁own ▁device ▁against ▁the ▁enemy ▁craft . ▁In ▁his ▁par ach ute ▁landing , ▁he ▁met ▁Major ▁B enson , ▁a ▁member