The unique and personal eyewitness report on the Czechoslovak participation of the Interbrigade in the Spanish Civil War 1936~1939. With introduction, maps, photo section and annexes that add to the context and relevance of this epic historical era before the outbreak of WWII. Originally published in Czechoslovakia, 1969. The Czech version will also appear: 'ZE ŠPANĚLSKŶCH ZAKOPŮ' at ISSUU at CSPH, followed by Volume 2: 'From Madrid to Prague', on the Czechoslovak participation of the Interbrigadists in the Pioneer Corps of the Forces in Great Britain, 1940-1945.