The Hitchhiker's Guide to the Galaxy, written by Douglas Adams, is a hilarious space novel for kids that combines science fiction and comedy. The story follows Arthur Dent, an ordinary human who is swept off Earth just before its destruction to make way for a hyperspace bypass. Arthur embarks on a series of absurd and humorous adventures across the galaxy, encountering eccentric characters and mind-boggling situations. This witty and imaginative novel is a must-read for young space enthusiasts.