“Imagination is a national security imperative,” according to acclaimed novelist, journalist and decorated US Marine Elliot Ackerman. He’s written a novel with retired Admiral Jim Stavridis, about what would happen if the US went to war with China. Here, he talks us through his favourite books of apocalyptic fiction—and the truths they reveal about war, humanity, and literature.

Sci fi is booming, says Tom Hunter, the director of the Arthur C. Clarke Award for Science Fiction, as he discusses their 2020 shortlist: six novels that embrace classic sci fi narratives, while subverting or reimagining them for a contemporary audience.

Ken Liu, the multi-award winning author of The Paper Menagerie, explains how using elements of fantasy and science fiction can help us examine deep truths about the human condition, as he recommends the best of contemporary speculative fiction.

Interested in science fiction, but not sure where to begin? Sceptical of spaceships, but never really given them a chance? We asked Nicholas Whyte, administrator of the World Science Fiction Society’s renowned annual Hugo Awards, to recommend five of the best sci fi books that should appeal to readers new to the genre

The best sci-fi explores humanity’s anxieties and concerns and is in some sense about the future. But it doesn’t try to predict what’s to come. The literature professor and sci-fi writer recommends five classics of the genre.

If you could go back, or forward, in time — would you? Science journalist and sci-fi novelist Annalee Newitz recommends some of the best time travel books and talks us through the dangers and delights of the genre, which take us from the Ordovician period through to the present day.

Often described as the ‘father of science fiction’, H G Wells was a man of extraordinary charisma and vivid imagination. Yet he suffered terribly from class anxiety and subscribed to political beliefs we now find abhorrent, says the editor and author Roger Luckhurst. He recommends the best books to learn more about the life and work of the British writer H G Wells.

If you’re hoping to travel to a galaxy far, far away with your next book, these six excellent sci fi novels will help you on your way. Tom Hunter, the director of the Arthur C Clarke Award for science fiction books, discusses the 2019 prize shortlist.

The sci-fi author tells us how the genre evolved from “gosh-wow” novels of the 1920s into some of the most inventive fiction being written today. He recommends five books sure to get new readers hooked

What will the next global conflict look like? Two of America’s leading defence experts, P W Singer and August Cole, turned to science fiction to explore the prospect of a future war, and how existing technology might be used in one. Here, they choose five novels depicting a fictional World War Three that served as inspiration.

Fiction that explores issues of climate change is growing at an unprecedented rate today, says the journalist who coined the phrase ‘cli-fi’, Dan Bloom. Here, he picks the five best books of the field, and introduces us to a globally important, underexplored literary genre

Zombies have returned with a vengeance in recent years, the secret to their undying popularity lying in their ability to embody many different kinds of menace, from social unrest to pandemics, financial insecurity to international terrorism. Greg Garrett, author of Living with the Living Dead, recommends five books to help you prepare for the zombie apocalypse

The best fiction allows us to hold ideas in our heads about time and space and causality and connection that are difficult to articulate in other ways, argues the Australian author James Bradley. It helps its readers engage with dangers and possibilities that are at the very edge of imagination

In the rapidly-emerging field of existential risks, researchers study the mitigation of threats that could lead to human extinction or civilisational collapse. We met with four researchers from The Centre for the Study of Existential Risk at the University of Cambridge, to discuss their recommendations of the best books to get a grasp of this dense subject.

Young adult science fiction extends far beyond the typical dystopian novels which immediately come to mind. Estelle Francis, a teenage author who recently published her first book, shares her favourite reads on this topic.  

Award-winning author Philip Reeve talks us through the science fiction and fantasy books that shaped him and his work in profound ways; among indubitable classics are vibrant lesser-known works awaiting our discovery.

Catherine Mayer—author, journalist and president of the Women’s Equality Party—talks to Five Books about her optimism for a more equal future for society by way of her favourite science fiction visionaries and their work.

Warnings about the future of society contained in novels such as Nineteen Eighty-Four may seem less important since the fall of the Soviet Union, but they are all too relevant to China today, argues the Chinese writer

These days robotic technology is developing so fast that sci-fi is having a hard time keeping up, says best-selling author and roboticist, Daniel H Wilson. He picks the best books on robotics.