The Time Traveler's Heirs II

HG Wells' Time Traveler, by "moving" forward along the fourth, temporal, dimension, arrives in a period when mankind, having subjugated Nature and ended need, has devolved into Morlocks and Eloi.

Poul Anderson's Wardens and Rangers, having divided mankind into two hostile urban/technological and rural/"natural" camps, rotate corridors onto the temporal axis and wage their wars in the past although their successors will build a harmonious civilization.

Thus, both Wells and Anderson explore different narrative implications of time as a fourth dimension and address the issue of the future relationship of mankind with its environment.