Natural Habitat: Take a wild guess... Distinguishing Features: Coffee, red bull, cigarettes The library dweller is a creature of vice. Subjecting itself to multiple all-nighters leads to a deep dependance on various addictive substances, as well as regular breaks in the Yum Cafe or slumped against the wall outside. Some are never seen at all, instead marking their territory by leaving their equipment unattended in a valuable workspace for hours - sometimes days - at a time.