line ▁Air ▁Com bat . ▁Bar ns ley , ▁Eng .: ▁Pen ▁& ▁S word ▁A viation , ▁ 2 0 0 4 . ▁ ▁Hal pen ny , ▁Bruce ▁Barry more . ▁To ▁Sh atter ▁the ▁Sky : ▁Bom ber ▁Air field ▁at ▁War . ▁Cambridge : ▁P . ▁Steph ens , ▁ 1 9 8 4 . ▁ ▁Friedrich , ▁J ör g . ▁The ▁Fire : ▁The ▁Bomb ing ▁of ▁Germany , ▁ 1 9 4 0 – 1 9 4 5 . ▁New ▁York : ▁Columbia ▁University ▁Press , ▁ 2 0 0 8 . ▁Middle bro ok , ▁Martin . ▁The ▁Battle ▁of ▁Hamburg . ▁London : ▁Cass ell , ▁ 2 0 0 0 . ▁ ▁Middle bro ok , ▁Martin . ▁The ▁Berlin ▁Ra ids . ▁London : ▁Cass ell , ▁ 2 0 0 0 . ▁ ▁Middle bro ok , ▁Martin . ▁The ▁Bom ber ▁Command ▁War ▁Di aries . ▁London : ▁Vik ing , ▁ 1 9 8 5 . ▁ ▁Middle bro ok , ▁Martin . ▁The ▁N ure m berg ▁Ra id . ▁London : ▁P engu in , ▁ 1 9 8 6 . ▁O ' Ne ill , ▁Brian ▁D . ▁Half ▁a ▁Wing , ▁Three ▁Eng ines ▁and ▁a ▁P ray er . ▁New ▁York : ▁McG raw - H ill , ▁ 1 9 9 9 . ▁ ▁O very , ▁Richard . ▁The ▁Bom bers ▁and ▁the ▁Bom bed : ▁Al lied ▁Air ▁War ▁over ▁Europe