Because the e-book was published in the course of the war, in order to defend the Polish airmen as well as their families remaining in occupied Poland from German reprisals, Fiedler utilised pseudonyms with the airmen of 303 Squadron. This practice was mandated in a memo concerning confidential facts issued https://elliottfxfkc.ja-blog.com/32011386/getting-my-divisi303-to-work