“ On a planet with an ammonia atmosphere, that is inhabited by intelligent aliens, the police carry oxygen spray, that has the same effect on that planet that pepper spray does here.”
“ A civilization which constructs of irregular shapes constructed of a light metal, heaped together so that they stand on each other; these structures rattle and bend in the wind or at a push, but ultimately hang together except under heavy force (such as cannonballs, falling stones, floods)”
“ Half hour off the Harrow Road you find it, Fool's Grave. Amid an overgrown garden sits a single tombstone. Carved neatly into the weathered slab is the word 'Fool,' with a symbol underneath matching the signet ring you found.”