It was one of his juveniles (what would now be a "young adult" novel). I don't think it was ever going to get fleshed out. You see him put much more thought in

It was one of his juveniles (what would now be a "young adult" novel). I don't think it was ever going to get fleshed out. You see him put much more thought into political systems and economics in other books like The Moon is a Harsh Mistress, Stranger in a Strange Land, or For Us, the Living.