books.google.gr - There are few stories more stirring than those of ancient Russia. Russian and other Slavic beliefs weave a rich tapestry in which real-world elements coexist with those from fantasy, such as dragons, monsters, and shape-changing wolves. Though Russia adopted Christianity as the state religion in A.D....http://books.google.gr/books/about/Encyclopedia_of_Russian_and_Slavic_myth.html?hl=el&id=eD5AkdM83iIC&utm_source=gb-gplus-shareEncyclopedia of Russian and Slavic myth and legend
