The world below

by S. Fowler (Sydney Fowler) Wright

"The World Below" by S. Fowler Wright is a science fiction novel first published in 1929. A man journeys 500,000 years into the future using a time machine, discovering a transformed Earth inhabited by strange new beings. He encounters the Amphibians, intelligent furry creatures who guide his exploration, before falling into the hands of the Dwellers—mysterious giants who control the continent's fate. This atmospheric tale blends philosophical inquiry with adventure in a distant, alien world.