She smiled. «He confers with our Rocks, and asks them for help in building an iron-foundry on the surface world. He needs their help up there; their advice and assistance. Think of it, Marcos -- Children coming and going from the Rookery at all hours of the day and night. A doubling, tripling, or more, of opportunities to escape the prying eyes of our watchers and handlers in the Royal Undermountain Constabulary. A wealth of time to seek out the tools and information we require.»