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In page Jaroslav Foglar:
"Foglar was born in 1907 and grew up in Prague. Because his father died prematurely, he was brought up in rather poor material conditions by his mother.[citation needed] To earn some extra money young "Slavik" used to copy the popular detective stories, cliftonky, earning 20 heller per copy. (This initially affected his literary style, and some of the first editions of his books were corrected later, to get rid of the literary slag.)[1][2]
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