Coming at this a little sideways, the Eclipse Phase sourcebooks might be what you&#x27;re after - Sunward ( <a href="http:&#x2F;&#x2F;eclipsephase.com&#x2F;releases&#x2F;sunward-inner-system" rel="nofollow">http:&#x2F;&#x2F;eclipsephase.com&#x2F;releases&#x2F;sunward-inner-system</a> ; it&#x27;s liberally licensed so there are legitimate torrents around as well ) is likely to have the most about the Venus aerostat habitats in-setting. Eclipse Phase is intended as an RPG but it&#x27;s extremely hard sci-fi that at times feels it&#x27;s as much a futurological thesis as a game.