Most popular and highly rated science fiction books of 2018 by Goodreads audience.

The list of most popular science fiction books published from January to August in 2018. Sorted according to the rating and popularity.

1. Iron Gold by Pierce Brown.

This book is the fourth installment in Red Rising Saga series. Red Rising was the story of the end of one universe, and Iron Gold is the story of the creation of a new one. Witness the beginning of a stunning new saga of tragedy and triumph from masterly New York Times bestselling author Pierce Brown.

2. Record Of A Spaceborn Few by Becky Chambers.

This book is the third installment in the Wayfarers series. Centuries after the last humans left Earth, the Exodus Fleet is a living relic, a place many are from but few outsiders have seen. Humanity has finally been accepted into the galactic community, but while this has opened doors for many, those who have not yet left for alien cities fear that their carefully cultivated way of life is under threat.

3. Head On by John Scalzi.

John Scalzi returns with Head On, a chilling near-future SF with the thrills of a gritty cop procedural. Head On brings Scalzi's trademark snappy dialogue and technological speculation to the future world of sports. This is the second book in the Lock In series.

4. The Calculating Stars by Mary Robinette Kowal.

A meteor decimates the U.S. government and paves the way for a climate cataclysm that will eventually render the earth inhospitable to humanity. This looming threat calls for a radically accelerated timeline in the earth’s efforts to colonize space, as well as an unprecedented opportunity for a much larger share of humanity to take part. This is the first book in the Lady Astronaut series.

5. The Night Masquerade by Nnedi Okorafor

This is the concluding part of the highly-acclaimed science fiction trilogy that began with Nnedi Okorafor's Hugo- and Nebula Award-winning BINTI. Binti has returned to her home planet, believing that the violence of the Meduse has been left behind. Unfortunately, although her people are peaceful on the whole, the same cannot be said for the Khoush, who fan the flames of their ancient rivalry with the Meduse.

6. Revenant Gun by Yoon Ha Lee.

When Shuos Jedao wakes up for the first time, several things go wrong. His few memories tell him that he's a seventeen-year-old cadet--but his body belongs to a man decades older.  Hexarch Nirai Kujen orders Jedao to reconquer the fractured hexarchate on his behalf even though Jedao has no memory of ever being a soldier, let alone a general.  Surely a knack for video games doesn't qualify you to take charge of an army?

Machineries Of Empire, the most exciting science fiction trilogy of the decade, reaches its astonishing conclusion!

7. Artificial Condition by Martha Wells.

It has a dark past – one in which a number of humans were killed. A past that caused it to christen itself “Murderbot”. But it has only vague memories of the massacre that spawned that title, and it wants to know more. This is the second book in The Murderbot Dairies series.

8. Into The Fire by Elizabeth Moon.

In this new military sci-fi thriller from the author of Cold Welcome, space fleet commander Kylara Vatta uncovers deadly secrets on her latest mission--shedding light on her own family's past. This is the second book in the Vatta's Peace series.

9. Thrawn: Alliances by Timothy Zahn.

Grand Admiral Thrawn and Darth Vader team up against a threat to the Empire in this thrilling novel from bestselling author Timothy Zahn. This is the second book in the Star Wars: Thrawn series.

10. The Tea Master And The Detective by Aliette de Bodard.

Welcome to the Scattered Pearls Belt, a collection of ring habitats and orbitals ruled by exiled human scholars and powerful families, and held together by living mindships who carry people and freight between the stars. In this fluid society, human and mindship avatars mingle in corridors and in function rooms, and physical and virtual realities overlap, the appareance of environments easily modified and adapted to interlocutors or current mood. This is the first book in The Universe of Xuya series.

11. Elysium Fire by Alastair reynolds. Ten thousand city-state habitats orbit the planet Yellowstone, forming a near-perfect democratic human paradise. But even utopia needs a police force. For the citizens of the Glitter Band that organization is Panoply, and the prefects are its operatives. Prefect Tom Dreyfus has a new emergency on his hands. Across the habitats and their hundred million citizens, people are dying suddenly and randomly, victims of a bizarre and unprecedented malfunction of their neural implants. And these "melters" leave no clues behind as to the cause of their deaths... This is the second book in the Prefect Dreyfus Emergency series.

12. The Freeze - Frame Revolution by Peter Watts.

She believed in the mission with all her heart. But that was sixty million years ago. How do you stage a mutiny when you're only awake one day in a million? How do you conspire when your tiny handful of potential allies changes with each shift? How do you engage an enemy that never sleeps, that sees through your eyes and hears through your ears and relentlessly, honestly, only wants what best for you? Sunday Ahzmundin is about to find out.

This is the first book in the Sunflower Cycle series.

Thanks for reading!!

Source: Goodreads and Amazon charts.