This book presents an illustrated history and detailed coverage of the massive concrete German flak towers that were used as anti-aircraft bastions, some of which still exist today. Details include construction, weapons, and postwar fate.[AuthorName]By Michael Foedrowitz[/AuthorName][AuthorBio][/AuthorBio][NumIllustration]over 110 b/w photographs, line drawings[/NumIllustration][CoAuthor][/CoAuthor][SubTitle]in Berlin, Hamburg and Vienna 1940-1950[/SubTitle][ColorPattern]over 110 b/w photographs, line drawings[/ColorPattern]