Sergei Vasilyevich Lukyanenko (Russian: Серге́й Васи́льевич Лукья́ненко, IPA: [sʲɪrˈɡʲej vɐˈsʲilʲjɪvʲɪtɕ lʊˈkʲjænʲɪnkə]; born 11 April 1968) is a Russian science fiction and fantasy author, writing in Russian. His works often feature intense action-packed plots, interwoven with the moral dilemma of keeping one's humanity while being strong. Some of his works have been adapted into film productions, for which he wrote the screenplays. (Via Wikipedia)