Quote Originally Posted by positronic View Post
ERB's Carson of Venus novels are not in the public domain. Technically Dark Horse still holds the official licenses to do these. Of the Pellucidar novels, only the first 3 are in the public domain.
Perhaps, but couldn't they do those the same way they are doing Warlord and Tarzan?

And those first three Pellucidar ones would be a good start...