Best Space Marine Science Fiction Books of 2026

Camp Zero is a gripping feminist climate fiction novel that explores the intersection of climate change, technology, colonialism, capitalism, and the patriarchy. Michelle Min Sterling's debut novel is set in a near-future northern settlement where a young woman, a professor, and a mysterious collective of researchers collide in unexpected ways. The novel's skillfully braided perspectives culminate in a stunning crescendo, making it an electrifying page-turner. The book's atmospheric world-building, captivating characters, and sharp commentary on pressing issues make it a must-read for anyone interested in literary fiction books that tackle current socio-political issues.

The Ender Saga #1 box set contains five volumes: Ender's Game, Speaker for the Dead, Xenocide, Children of the Mind, and Ender in Exile. Orson Scott Card's science fiction series is widely considered one of the greatest ever written, translated into over 34 languages and selling millions of copies in the US and Canada. The series follows the life of Ender Wiggin, beginning with his training as a child soldier to his eventual leadership in an interstellar war. The books offer a captivating mix of action, philosophy, and empathy. This box set is perfect for new readers and collectors alike.

Eisenhorn: The Omnibus is a must-read for science fiction enthusiasts. This omnibus follows the career of Inquisitor Gregor Eisenhorn, a zealous upholder of the truth turned collaborator with the very powers he once swore to destroy. Gaunt’s Ghosts creator, Dan Abnett, masterfully blends detective story and interplanetary epic in this omnibus, which includes the novels Xenos, Malleus, Hereticus, and The Magos, as well as four short stories. Abnett’s writing is engaging and captivating, making the reader feel invested in the characters and their journey. Overall, this omnibus is a great addition to any science fiction collection.

Horus Rising (1) (The Horus Heresy) is the first novel in the bestselling Horus Heresy series. The book tells the story of Warmaster Horus, who tries to carry out the Emperor's grand design while the seeds of heresy and rebellion have been sowed amongst his brothers. Written by Dan Abnett, the book has received critical acclaim for its gripping storytelling and vivid characters. The re-release of the mass market edition is a must-read for science fiction adventure fans, especially those interested in the Games Workshop brand. Overall, Horus Rising is an excellent start to a fantastic series that will keep readers engaged from beginning to end.

The Legends of the Dark Angels omnibus by Gav Thorpe and C Z Dunn is a great value collection of stories that explores the history of the Dark Angels, a clandestine Chapter of Space Marines in the Warhammer 40,000 universe. With four novels, one novella, and several short stories, this omnibus is a must-read for fans of the franchise. The tales are filled with heroes, including Supreme Grand Master Azrael, Chief Librarian Ezekiel, and Sergeant Balthasar. The stories follow the Dark Angels as they fight for the Emperor, atonement, and the greater glory of the Imperium. This omnibus is a unique and thrilling addition to the Science Fiction Adventures Books category.

The Troop by Nick Cutter is a heart-pounding, edge-of-your-seat thriller that follows Scoutmaster Tim Riggs and his troop of boys on a camping trip in the Canadian wilderness. However, their trip takes an unexpected turn when they encounter a mysterious and deadly stranger. Part Lord of the Flies, part 28 Days Later, this novel is a bone-chilling spin on a classic horror scenario. The Troop is a must-read for horror fans and those who love a good page-turner that will leave them on the edge of their seat.

Blindsight by Peter Watts is a thrilling hard SF novel that offers a fresh take on the classic alien contact story. Set two months after the stars fell, the book follows a team of specialists, including a linguist with multiple personalities and a pacifist warrior, as they attempt to make contact with an unknown and unknowable alien intelligence. With a fascinating alien environment and thought-provoking exploration of consciousness, Blindsight is a must-read for fans of hard science fiction. Peter Watts has once again proven himself as one of the best hard SF writers around.

Star Wars: Thrawn by Timothy Zahn is a definitive novel that uncovers the origins and rise to power of one of the most iconic villains in the Star Wars universe, Grand Admiral Thrawn. The book is a satisfying tale of political intrigue that captivates readers with Thrawn's observations and tactical thinking. Fans have been waiting for this origin story for decades, and Zahn delivers a quite page-turner. Overall, this book is a must-read for any Star Wars fan, and it provides a unique perspective on one of the greatest villains in the franchise.

The Deep by Nick Cutter is a suspenseful and terrifying novel that explores the consequences of a strange plague called ‘The Gets’. As the world struggles to survive, a universal healer is discovered deep below the Pacific Ocean. However, when a research lab built to study the phenomenon goes incommunicado, a group of brave individuals descends into the depths in hopes of unraveling the mysteries lurking there. With each new shock being freshly disturbing, The Deep is a must-read for fans of unflinching bleakness and all-out horror.