I think you would have to have a company hold the IP instead of the author in the first place. I'm thinking of shared world books like Forgotten Realms where v

I think you would have to have a company hold the IP instead of the author in the first place. I'm thinking of shared world books like Forgotten Realms where various authors write in the same world. Now if they didn't retain the rights to the work itself, you could have other people rewrite it too.