In the science fiction novel "Hothouse," the Earth has stopped rotating, presenting a world where one side perpetually faces the sun, resulting in a dense, tropical environment overrun by aggressive plant life. The remaining human descendants, now diminutive and struggling for survival, navigate this lush yet dangerous landscape. The story follows a group of these humans as they embark on a perilous journey across the giant banyan tree that spans the globe, encountering bizarre creatures and remnants of past civilizations, while also grappling with the existential threat posed by a rapidly evolving and encroaching vegetation that threatens to engulf what's left of humanity.

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