Obergruppenführerin Galadriel ponders the Final Solution to the Orc question

I'd want the book where the orcs are oppressed Working class tommy boys enslaved by the dark lord Sauron . My going theory of what an orc would turn into if you redeemed one is a hobbit: fat, lazy but industrious , selfish, self-centered, cowardly m, and with a love of advanced machinery.