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The 10 Best Children's Action and Adventure Sci-Fi Books

Looking for a sure-fire way to get your kiddo to swap screen time for reading time? A high-speed chase across alien landscapes, a daring mission, a secret superpower – welcome to the thrilling world of children's sci-fi action and adventure books. These aren’t your run-of-the-mill bedtime stories; they're a ticket to distant galaxies, outlandish creatures, and extraordinary heroes.

Buckle up, because whether your little reader is dipping their toes in reading or already a devout bookworm, these sci-fi adventures will stretch their imagination to the moon and back. We've trekked through unexplored literary terrains to round up a list of titles that promise almost as much excitement as gaming – no cheat codes needed! The books we're about to share will put the merry back in the mundane and affirm why reading is one earth-shattering, galaxy-trotting endeavour.

Lockwood & Co.: The Screaming Staircase by Jonathan Stroud

Lockwood & Co.: The Screaming Staircase

by Jonathan Stroud

Why Lockwood & Co.: The Screaming Staircase is on this list: This book hits our list for perfectly blending adventure, action, and a pinch of deliciously beguiling science fiction elements tailored specifically for the younger audience.

The Screaming Staircase is all about ghost detection agency Lockwood & Co. Living in a parallel universe London, where the problem isn't the usual transport or weather, but rather the troubling increase of spooky apparitions. Our young heroes, Lucy Carlyle, Anthony Lockwood, and their sarcastic colleague, George have to navigate this chilling landscape. As if battling ghosts wasn't interesting enough, things get pretty crazy when they're left stranded, during one of their cases, in one of the most haunted houses in England. A thrilling plot and charmingly spooky atmosphere make this book a must-read for all kiddo sci-fi fans.

What readers like: Readers love this book for its uncanny mix of mystery, thrill, and humor. Also, the brilliantly crafted characters, who are equal parts quirky and likable, have won the hearts of many. The imaginative world-setting and ghostly adventures keep them at the edge of their seats, eager to turn the page to find out what happens next. It's more fun than lighting a rocket with a blowtorch while eating a bowl of ice cream. Well, almost.

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Auggie & Me: Three Wonder Stories by R.J. Palacio

Auggie & Me: Three Wonder Stories

by R.J. Palacio

Why Auggie & Me: Three Wonder Stories is on this list: Because it oozes action and adventure from every page, oh, and did we mention it's a sci-fi tale too? Well, now we've said it.

Auggie & Me is a universe expanding beyond the boundaries of the original Wonder tale. It tells three individual but interconnected stories that weave a tapestry around Auggie's world. The tales are of emotion, resilience, and children facing challenges that surpass their age. But, friend, this is not your usual sob story. It has sci-fi elements that will take you (and your kiddos) on a wild ride through time and space. You know, the kind where everyone holds their breath and wonders what's coming next.

What readers like: Readers love the way R.J. Palacio captures the essence of childhood and how he mixes it with the thrilling undertones of adventure and science fiction. The stories are filled with twists and turns, grounded in real emotions, while sprinkled with just the right amount of the 'outta this world' element. It's the kind of book that kids will secretly bring to dinner because they just can't stop reading.

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Tesla's Attic by Neal Shusterman

Tesla's Attic

by Neal Shusterman

Why Tesla's Attic is on this list: You ever want to combine a mad scientist, a hearty dose of science fiction, with a swirl of action-adventure, and sprinkle some laughter on top? Well, Tesla's Attic is your dish. It fits right into our list because it's a children-friendly romp into sci-fi shenanigans that will keep young readers on the edge of their seats.

Tesla's Attic tells the tale of 14-year-old Nick, who after a devastating house fire, finds himself the owner of a weird attic filled with, umm... let's call them unusual, inventions of the unsung genius, Nikola Tesla. They're not just odd, these things have mind-boggling powers. Together with his friends, Nick must navigate chases, secrets, perils, and dodgy folk wanting to snatch these powerful inventions before they fall into the wrong hands. A fun-filled, nerve-wracking and time-bending ride into science fiction.

What readers like: Readers love its fast-paced, hold-your-breath action, all while learning fun facts about science (hello, homework help!). Plus, the blend of humor, friendship, and out-of-this-world adventure makes it an irresistible read. Shusterman knows how to weave a tale that's a tickling mix of giggles and 'no-way!' moments, which makes readers come back for more, again and again.

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Percy Jackson's Greek Gods by Rick Riordan

Percy Jackson's Greek Gods

by Rick Riordan

Why Percy Jackson's Greek Gods is on this list: If you're on the hunt for an adventure that tickles your imagination while catapulting you into a world of mythological mayhem, look no further. This book not only stands its ground in the Sci-Fi genre with its supernatural entities and otherworldly predicaments but also keeps you hooked with the adrenaline-fueled action that is a staple of any Riordan work.

Percy Jackson's Greek Gods is a fascinating and humorous take on Greek mythology, seen through the perspective of Percy Jackson, a modern-day demigod. From deities with major anger issues to gods who like shape-shifting a little too much, this book has it all. Strap in for a wild ride as Percy narrates the tales of twelve major Greek gods with his wit, sarcasm, and a sprinkle of middle school sass.

What readers like: Readers love Percy's snarky humor, the refreshingly modern retelling of classic Greek myths and of course, all the action-packed adventures that come part and parcel with it. Fans of Rick Riordan have often praised his ability to turn mythology into an engaging and relatable narrative, making it a hit especially among the young readers who appreciate the combination of humor, action and the unexpected twists that keep them on their toes.

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Sky Raiders by Brandon Mull

Sky Raiders

by Brandon Mull

Why Sky Raiders is on this list: Sky Raiders offers a perfect blend of children's action, adventure, and sci-fi. If you're looking for a book where the kids ride high, confronting strange beings, exploring unfamiliar territories and outsmarting bad guys, then this is unputdownable.

Sky Raiders tells an enthralling story about Cole Randolph, a regular kid who stumbles into a parallel world known as the Outskirts made up of five kingdoms. Kidnapped on Halloween, Cole lands in 'The Outskirts' and is sold to the Sky Raiders. Now, he has to navigate this new world, maneuvering through deadly territory, dangerous slave traders, and eerie creatures, all while planning his escape and rescuing other kidnapped kids.

What readers like: Readers love Sky Raiders because it’s not just your regular children’s book. It offers its young audience a unique chance to indulge in a concept that dances in the realm of the impossible. The complex yet relatable characters and their interwoven relationships add depth to the plot. Plus, coming from the creator of the famous Fablehaven series, it's safe to say that Mull knows a thing or two about hooking readers from the first page.

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Treasure Hunters by James Patterson

Treasure Hunters

by James Patterson

Why Treasure Hunters is on this list: If you are in for a thrilling journey across the galaxies with a dose of humor, then Treasure Hunters, is the perfect match on our list of best children's action and adventure sci-fi books.

The book sweeps us into the world of Kidd siblings who are on a quest for the greatest treasure in the universe while navigating space pirates, danger zones and other worldly challenges. Packed with epic action, eccentric aliens and vast galaxies, this book promises an unforgettable adventure.

What readers like: Readers can't get enough of the exciting plot and the hilarious elements in the book. They love the Kidd family’s braveness, cleverness and unyielding spirit. The journey through space is brilliantly described, making you feel like you're adventuring along with the characters. Readers also highly appreciate the unpredictable twists and turns along the way.

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Spy School by Stuart Gibbs

Spy School

by Stuart Gibbs

Why Spy School is on this list: Packed to the gills with action, adventure, and the intriguing world of espionage, Stuart Gibbs' 'Spy School' redefines the boundaries of children's sci-fi literature.

Imagine finding out you're recruited into a top-secret academy for spies. That’s our young protagonist’s life. And don't think it's all cool gadgets and thrilling car chases; there's a diabolical plot afoot that he must foil to save the world. With school never being this dangerous or this interesting, 'Spy School' weaves an exciting tale of secret missions, undercover agents, and clandestine operations.

What readers like: Readers have a soft spot for this book. They rave about the intricate plot, the humorous writing, and the incredibly likable main character. Sure, he gets into his fair share of mishaps, but watching him stumble, learn and, eventually, take on bad guys is a genuine joy ride. Perfect for any child with a flair for thrill and a taste for the extraterrestrial.

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Nightbooks by J.A. White

Nightbooks

by J.A. White

Why Nightbooks is on this list: If your little one is a fan of thrilling fun, mixed with a tad of the supernatural, then 'Nightbooks' is the perfect weekend escape. The blend of action-packed adventure contests with the unique sci-fi elements makes it a spot-on choice for our list.

'Nightbooks' follows the story of Alex, a boy with a peculiar fascination for scary stories. However, his life takes an eerie turn when he ends up imprisoned by a modern witch in her New York apartment, where he must spin a new chilling tale every night to stay alive. J.A. White files up a fascinating spin on the 'Arabian Nights' narrative with a dash of modern sci-fi essence and hair-raising adventure. It's a spectacular blend of supernatural happenings with an exciting urban landscape.

What readers like: Readers have been completely taken by the novel's unique premise and the relentless pace. They've praised the perfect balance of bone-chilling horror and child-friendly suspense that builds up the thrill without being too traumatic. Also, the hard-to-put-down quality of the narrative and the immersive plot twist have made 'Nightbooks' a popular choice among young adventure enthusiasts.

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Invasion of the Overworld: Minecraft by Mark Cheverton

Invasion of the Overworld: Minecraft

by Mark Cheverton

Why Invasion of the Overworld: Minecraft is on this list: Laser-focused on the blend of action, adventure and sci-fi, this book skilfully wraps everything within the beloved universe of Minecraft - elevating it to the ultimate choice kids with boundless imagination.

Invasion of the Overworld follows the thrilling journey of young Minecraft player, Gameknight999, who finds himself transported into the game he loves. It's a fun twist where the monsters are real and the stakes are high. As the chosen one, Gameknight must fight off the villainous king and his army, dodge zombies, and decide whether to sacrifice himself for the good of the virtual world.

What readers like: Readers love the heart-stopping action, the clever integration of the Minecraft world, and of course, Cheverton's spot-on understanding of his audience. Gameknight999 is a character kids can relate to - he's a bit of goofball and yet, brave when it counts. Plus, the plot twist with a teaspoon of depth gives the story a nice flavor without making it too heavy. All in all, it’s a delightful page-turner that leaves them dizzy with excitement.

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Amulet #1: The Stonekeeper by Kazu Kibuishi

Amulet #1: The Stonekeeper

by Kazu Kibuishi

Why Amulet #1: The Stonekeeper is on this list: Amulet #1: The Stonekeeper perfectly ticks all the boxes for a children's action, adventure and sci-fi novel. It's got some out-of-this-world characters, a heap of thrilling escapades, and an intriguing sci-fi twist.

The Stonekeeper is the first book in Kazu Kibuishi's critically acclaimed graphic novel series, Amulet. It's about Emily, a young girl who, after a family tragedy, moves with her mother and brother to a strange old house. Within, she stumbles upon an amulet that ushers her into a parallel universe filled with mechanical rabbits, talking animals, and menacing shadows. Emily is now the Stonekeeper, shouldered with the task of mastering her new powers and saving her family.

What readers like: Readers love The Stonekeeper for its unique blend of sci-fi and fantasy elements. They're crazy about Emily, our young, strong protagonist who provides loads of inspiration. Plus, it's a graphic novel - which means awesome and detailed illustrations that fire up the imagination. The book is a real page-turner, perfect for kids who are just starting to dip their toes in the planet-sized pool of science fiction.

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