question: Why are Eiji Yoshikawa 's books popular ?
answer: for their epic narratives and rich realism in depicting samurai and warrior culture
turker_answer: Eiji Yoshikawa 's books are popular for their epic narratives and rich realism in depicting samurai and warrior culture .
rule-based: Eiji Yoshikawa 's books are popular for their epic narratives and rich realism in depicting samurai and warrior culture .