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Young adult science fiction is some of the most action packed fiction that exists. Almost every single on this list is a wild ride through a new and interesting world,...

Mars, our closest neighbour, the red planet, has always loomed large in the human imagination. Its bloody colour prompted ancient people to associate it with the God of War. And...

In 1859, prompted by the similar ideas being developed by Alfred Russell Wallace, Charles Darwin finally published On the Origin of Species, perhaps the most revolutionary book in the history...

Military Science Fiction is a subgenre that has always been around. Maybe it’s the fact that getting all those rockets, robots, and blasters would obviously require immense amounts of governmental...

Science fiction opens up a world of possibilities for children from aliens and space travel to robots and time travel and even machines that can do your homework for you....

When John W. Campbell took over as editor of Astounding in 1939, he instituted a new regime. Now, he told them, he wanted sound science, with the most formidable antagonist...

Big ships, big battles,and many characters are some of the key elements behind space opera. The Space Opera is one of the most popular science fiction sub genres because it's...

We've completely updated this list with 25 new entries, updated the old ones and generally filled this list out substantially.Space Opera is one of those genres of science fiction that...

UFO Diary is the story of an alien who accidentally finds Earth. This quiet book puts a unique spin on the alien invasion subgenre of science fiction in that the...

Paul Park's return to science fiction takes the form of an alternate history, or a set of alternate histories, or nested alternate histories, or perhaps something else entirely. We begin...

Throughout the 1920s and 30s, the science fiction and weird fiction that appeared in American genre magazines was often hard to tell apart. Weird fiction writers often used science fiction...

Zack Lightman has spent his life dreaming. Dreaming that the real world could be a little more like the countless science-fiction books, movies, and videogames he's spent his life consuming....

China has a very distinctive literary tradition that can often seem strange to Western readers, and the political situation in the country makes it inward looking, turning its back on...

This is the only book on this list that doesn't actually set foot on Mars, so in a sense it's not a Martian novel at all. But it was the...

Right from her debut as an adult novelist with Divine Endurance (she has an equally long and successful career as a children's writer), Gwyneth Jones has been a writer to...

We all know what happens when aliens invade: there's a big fight and then the aliens are driven off, or humanity is reduced to servitude. Well, no. We've got enough...

What do you get when you cross alien invasion sci-fi, with B-rated horror references, and the witty wordplay of A Series of Unfortunate Events? It's Attack of the Fluffy Bunnies....

Caine Riordan has just helped to repel an alien invasion of Earth when the Slaasriithi, mysterious and possibly helpful, ask him to lead a diplomatic mission to their worlds. A...

The True Meaning of Smekday has been compared to The Hitchhiker's Guide to the Galaxy for kids. With the same zany humor, Rex delivers not one alien invasion but two...

Who knew that underwear could save the world? That's exactly what happens in Aliens in Underpants Save the World. In the sequel to the popular, Aliens Love Underpants, Claire Freedman's...

"World War Z meets The Martian in the explosive follow-up to Sleeping Giants ("One of the most promising series kickoffs in recent memory"--NPR) and Waking Gods ("Pure, unadulterated literary escapism"--Kirkus...

In the middle years of the 19th century, Prussia embarked on a series of military adventures against Denmark, Austria and finally France which succeeded in uniting the German states under...

The second book in the NYT best-selling Expanse series, Caliban's War shows a solar system on the brink of war, and the only hope of peace rests on James Holden...

Marco is a reluctant Animorph, having been given the ability, along with four other friends, to change into animal forms by an Andalite prince, an alien who wants help in...

Tobias and his friends, a group of young people who have given the power to morph into animals in order to aid the alien Andalites in their battle against the...

People will forever argue about the best game in this series, but at its heart Mass Effect is a sci-fi action RPG, and it's in this title that it fully...

Things were already really weird. Fighting aliens. Battling to have Earth. And still trying to be normal. Marco, the other Animorphs, and Ax are almost used to it. But things...

The New Republic, a repressive state has launched an attack against an invasion of one of its colony, little does the New Republic realize, that they've actually been visited by...