Wargs from the past?

[Lotho]

My father says he remembers reading about the Wargs in an older version but we haven't been able to find one with them included. Has anyone else read or seen them in another book?

[Thinlómien]

My father says he remembers reading about the Wargs in an older version but we haven't been able to find one with them included. Has anyone else read or seen them in another book?In an older version of what? :)