Robert A. Heinlein's The Long Watch is a powerful and emotional science fiction short story that explores themes of duty, sacrifice, and the moral courage of an individual standing against tyranny. First published in 1949, this story is part of Heinlein's Future History series and remains one of his most poignant and enduring tales. The story follows Lieutenant John Dahlquist, a young officer in the Space Patrol, who finds himself in a critical moral dilemma.

Robert A. Heinlein's Gentlemen, Be Seated! is a gripping and suspenseful science fiction short story that highlights themes of ingenuity, survival, and the indomitable human spirit in the face of disaster. Originally published in 1948, this classic tale exemplifies Heinlein's ability to blend technical realism with high-stakes adventure. Set in a near-future lunar colony, the story follows an experienced space reporter and a group of lunar workers who find themselves in a life-threatening situation when a structural failure causes a dangerous air leak in an underground tunnel.

Robert A. Heinlein's Space Jockey is a gripping short story that offers a realistic and human perspective on space travel. First published in 1947, this tale explores the challenges faced by commercial space pilots in a future where spaceflight has become routine but remains physically and emotionally demanding. The story follows Jake Pemberton, a seasoned pilot navigating the vast emptiness of space while balancing the pressures of his job with the strains of family life back on Earth.

Robert A. Heinlein's Delilah and the Space Rigger is a sharp and thought-provoking science fiction short story that explores themes of gender roles, workplace dynamics, and progress in space exploration. First published in 1949, this story showcases Heinlein's trademark blend of humor, social commentary, and hard science fiction. The story takes place on a space station under construction, where an all-male crew is suddenly thrown into disarray when a female technician, Delilah, joins their ranks.

Robert A. Heinlein's The Black Pits of Luna is an exciting and suspenseful science fiction short story that explores the dangers of space exploration, the resilience of the human spirit, and the thrill of adventure beyond Earth. First published in 1948, this classic tale showcases Heinlein's ability to craft realistic yet gripping narratives set in the expanding frontier of space. The story follows a young boy who, while on a family trip to the Moon, gets separated from his group during a guided tour of the lunar surface.

Ring Around the Sun is a science fiction short story by American writer Isaac Asimov. It was first published in the March 1940 issue of Future Fiction and reprinted in the 1972 collection The Early Asimov . "Ring Around the Sun" was the fifth story Asimov wrote, and also the fifth to be published.

Blowups Happen is a 1940 science fiction short story by American writer Robert A. Heinlein. It is one of two stories in which Heinlein, using only public knowledge of nuclear fission, anticipated the actual development of nuclear technology a few years later.

We Also Walk Dogs is a science fiction short story by American writer Robert A. Heinlein. One of his Future History stories, it was first published in Astounding Science Fiction (July 1941, as by Anson MacDonald) and collected in The Green Hills of Earth (and subsequently The Past Through Tomorrow).

Misfit is a science fiction short story by American writer Robert A. Heinlein. It was originally titled Cosmic Construction Corps before being renamed by the editor John W. Campbell and published in the November 1939 issue of Astounding Science Fiction. Misfit was Heinlein's second published story. One of the earliest of Heinlein's Future History stories, it was later included in the collections Revolt in 2100 and The Past Through Tomorrow.

The Roads Must Roll is a 1940 science fiction short story by American writer Robert A. Heinlein. It was selected for The Science Fiction Hall of Fame, Volume One, 1929–1964 anthology in 1970. The story is set in the near future, when "roadtowns" (wide rapidly moving passenger platforms similar to moving sidewalks, but reaching speeds of 100 mph) have replaced highways and railways as the dominant transportation method in the United States.