How the Steel Was Tempered

Best selling Soviet novel by Nikolai Ostrovsky

How the Steel Was Tempered (Russian: Как закалялась сталь, romanized: Kak zakalyalas stal) or The Making of a Hero, is a socialist realist novel written by Nikolai Ostrovsky (1904–1936). With 36.4 million copies sold, it is one of the best-selling books of all time and the best-selling book in the Russian language.

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