The World Without Us perspective. Chauncey Mabe of the "South Florida Sun-Sentinel" calls the book "one of the most satisfying environmental books of recent memory, one devoid of self-righteousness, alarmism or tiresome doomsaying". Tom Spears of the CanWest News Service concludes "it's more a portrait of ourselves, taken through an odd lens" and "[s]ometimes an obituary is the best biography". The book is categorized as non-fiction science but some commentators emphasize it may be better described as speculative fiction. "The World Without Us" is grounded in environmental and science journalism. Like other environmental books, it discusses the impact that the human race has had
City State of the World Emperor together. Each has various cities, characters, and phenomena described in their accompanying booklets. This is the largest, most complex one. It is not a scenario or programmed adventure, it just establishes the scenery, politics, and major NPCs in an area which referees can use for their adventures." "City State of the World Emperor" was written by Creighton Hippenhammer and Bob Bledsaw, and was published by Judges Guild in 1980 as 3 books (two of which were 80 pages, the other 48 pages), three large maps, and a cover sheet. A listing of cumulative sales from 1981 shows that "City State