"The Gravity Business" by James E. Gunn is a science fiction story where the Peppergrass family encounters more than they bargained for on a strange planet. When they arrive on an alien world, they find themselves in an environment with bizarre gravitational forces that mess with their ship's technology. They soon learn that the planet's heavy gravity is tied to a friendly, gelatinous alien creature called Fweep. While some family members, like Joyce, are desperate to escape, seeing the planet as a trap, others like Four, find a connection with Fweep. The family faces the challenge of surviving in this weird place, dealing with both the alien environment and their own family conflicts. In a funny turn of events, Fweep starts multiplying, giving the Peppergrasses a surprising way to turn their misfortune into a business venture, highlighting the strength of family and the potential for humans to adapt.

The Gravity Business
By James E. Gunn
Stranded on a planet with strange gravity, a family must decide if their alien encounter is a curse or a comical chance at a new enterprise.
Summary
About the AuthorJames Edwin Gunn was an American science fiction writer, editor, scholar, and anthologist. His work as an editor of anthologies includes the six-volume Road to Science Fiction series. He won the Hugo Award for "Best Related Work" in 1983 and he won or was nominated for several other awards for his non-fiction works in the field of science fiction studies. The Science Fiction and Fantasy Writers of America made him its 24th Grand Master in 2007, and he was inducted by the Science Fiction and Fantasy Hall of Fame in 2015. His novel The Immortals was adapted into a 1970–71 TV series starring Christopher George.
James Edwin Gunn was an American science fiction writer, editor, scholar, and anthologist. His work as an editor of anthologies includes the six-volume Road to Science Fiction series. He won the Hugo Award for "Best Related Work" in 1983 and he won or was nominated for several other awards for his non-fiction works in the field of science fiction studies. The Science Fiction and Fantasy Writers of America made him its 24th Grand Master in 2007, and he was inducted by the Science Fiction and Fantasy Hall of Fame in 2015. His novel The Immortals was adapted into a 1970–71 TV series starring Christopher George.