From what I can see, virtually all of «your» books consist of public domain texts to which you have added some (unknown) amount of original commentary. (madgeniusclub.com)
If you start your company with public domain texts as I have done, you don't have to pay the author for the rights. (karencommins.com)
They did have valid reasons for thwarting use of public domain texts. (karencommins.com)