Then There Were Five" by David L. Harrison (published in a number of science fiction anthologies) which had characters living underground. This novel was the origin for "Mine Fell into the Sky" by Michael Swanwick. This was originally only a short story but later was expanded into the novel. "Mine Fell into the Sky" by Michael Swanwick (published in a number of science fiction anthologies) - This is a time travel story about a boy visiting a mining town and meeting a girl from the future. "The Dark" by Philip K. Dick (Published in several anthologies including "Beyond Lies the Wub") - A time travel story about a boy exploring a planet made of precious metals that is in danger of disappearing, because someone else is hunting for the same material. "The Secret in the Stone" by Carl Jacobi - A story about a boy building a robot to travel through time and the secrets that have to be hidden to preserve his invention. "The Great Wheel" by Harry Turtledove (Published in the anthology "Time Travelers Strictly Cash") - A story about a boy building a time machine as a toy with his friends. "A Night to Remember" by Robert Holdstock (Published in the anthology "Time Travelers Strictly Cash") - A boy with a time-traveling submarine goes back in time to save the Titanic. "Gordy's Story" by John Brunner (Published in the anthology "The Oxford Book of Time Travel Science Fiction") - A boy on a time-traveling cruise ship in the past meets another boy, who knows of a secret and has special skills. "The Man in the Maze" by Paul McAuley (Published in the anthology "Time Travelers Strictly Cash") - A boy at the end of WW2 builds a time machine that is discovered by the Russians. "A Plague of Pythons" by Algis Budrys (Published in the anthology "Time Travelers Strictly Cash") - A boy invents a time machine which gets stolen and is found by the people it can change. "The Light That Never Fails" by Brian Hayles (Published in the anthology "Time Travelers Strictly Cash") - The story of a time traveler investigating a ship wreck who accidentally freezes himself in his ice body when he gets stuck in his time machine. "The Man Who Met Himself" by Stephen Baxter (Published in the anthology "Time Travelers Strictly Cash") - A man from the near future discovers a time machine that transports him to the past. He decides to travel back to discover how to prevent the time travel, but soon finds that there is a war on in the future. Children's books Since the 1960s, children's books have often featured time travel, and in some cases were based on children's games, such as the game "I, Robot" which was developed by science fiction author Isaac Asimov. A selection of children's books that have used the trope of time travel: The Time Machine by H. G. Wells The Time Machine: A Story of the Future by George Griffith (first published in 1901) Time Traveler by John J. Pierce The Man Who Sold the Moon by Robert A. Heinlein The Moon Is a Harsh Mistress by Robert A. Heinlein A Journey to the Centre of the Earth by Jules Verne The Blue Sword by Arthur Leo Zagat The Talking Egg by Dorothy Kunhardt Finn Family's Great Adventures by Margaret Mahy (published as the first book of Finn Family Trilogy) I, Robot by Isaac Asimov "The Time-Travelers Club" by S. N. Dyer "Time Riders" by Arthur Leo Zagat "How to Build a Time Machine" by Paul J. McAuley "The Adventures of Lyle Swann" by James Morrow Anubis the Jackal by Iain M. Banks See also Back to the Future Chrono-trigger Time Warp (book series) References Category:Topics in popular culture Category:Science fiction themes Category:Science fiction tropes Category:Science fiction genres Category:Fiction about time travel