Book picks similar to
Hunt for the Hydra by Jason Fry


science-fiction
sci-fi
middle-grade
adventure

Larklight


Philip Reeve - 2006
    One ordinary sort of morning they receive a correspondence informing them that a gentleman is on his way to visit, a Mr Webster. Visitors to Larklight are rare if not unique, and a frenzy of preparation ensues. But it is entirely the wrong sort of preparation, as they discover when their guest arrives, and a Dreadful and Terrifying (and Marvellous) adventure begins. It takes them to the furthest reaches of Known Space, where they must battle the evil First Ones in a desperate attempt to save each other - and the Universe. Recounted through the eyes of Art himself, Larklight is sumptuously designed and illustrated throughout.

Secrets of the Dragon Tomb


Patrick Samphire - 2016
    Pterodactyls glide through the sky, automatic servants hand out sandwiches at elegant garden parties, and in the north, the great dragon tombs hide marvels of Ancient Martian technology.Twelve-year-old Edward Sullivan has always dreamed of becoming a spy like the ones he reads of in his favorite magazine, Thrilling Martian Tales. Instead, he spends his days keeping his eccentric family from complete disaster … that is, until the villainous archeologist, Sir Titus Dane, kidnaps Edward’s parents as part of a scheme to loot an undiscovered dragon tomb.Edward sets off in pursuit across the Martian wilderness. With him are his brilliant and outrageous little sister, Putty, his impossibly starchy older sister, Olivia, and his secretive cousin, Freddie. Together they must evade Sir Titus’s minions, battle mechanical nasties, and escape deadly Martian hunting machines. If they can’t, they will never uncover the secrets of the dragon tomb and rescue Edward’s family.Secrets of the Dragon Tomb by Patrick Samphire is a classic adventure story, full of fun, humor and heart with stunning illustrations by Jeremy Holmes throughout. The thrilling adventure continues in Book 2 of the Secrets of the Dragon Tomb series, The Emperor of Mars.

The Rising Force


Dave Wolverton - 1999
    After years at the Jedi Temple, he knows the power of the lightsaber and the Force. But he cannot control his own anger and fear. Because of this, the Jedi Master Qui-Gon Jinn will not take him on as a Padawan apprentice.Now Obi-Wan is about to have his first encounter with true evil. He must face off against unexpected enemies—and face up to his own dark wishes.Only then can his education as a Jedi truly begin.

The Fog Diver


Joel N. Ross - 2015
    Humanity clings to the highest mountain peaks, where the wealthy Five Families rule over the teeming lower slopes and rambling junkyards. As the ruthless Lord Kodoc patrols the skies to enforce order, thirteen-year-old Chess and his crew scavenge in the Fog-shrouded ruins for anything they can sell to survive.Hazel is the captain of their salvage raft: bold and daring. Swedish is the pilot: suspicious and strong. Bea is the mechanic: cheerful and brilliant. And Chess is the tetherboy: quiet and quick…and tougher than he looks. But Chess has a secret, one he’s kept hidden his whole life. One that Lord Kodoc is desperate to exploit for his own evil plans. And even as Chess unearths the crew’s biggest treasure ever, they are running out of time...

Earth Force Rising


Monica Tesler - 2016
    Now they’ve brought together the first team of cadets, called Bounders, to be trained as high-level astronauts.Twelve-year-old Jasper is part of this team being sent out into space. After being bullied back on Earth, Jasper is thrilled to have something new and different to do with other kids who are more like him. While learning all about the new technologies and taking classes in mobility—otherwise known as flying with jetpacks—Jasper befriends the four other students in his pod and finally feels like he has found his place in the world.But then Jasper and his new friends learn that they haven’t been told everything about Earth Force. They weren’t brought to space for astronaut training, but to learn a new, highly classified brain-sync technology that allows them to manipulate matter and quantum bound, or teleport. And it isn’t long before they find out this new technology was actually stolen from an alien society.When Jasper and his friends discover the truth about why Earth Force needs them, they are faced with a choice: rebel against the academy that brought them together, or fulfill their duty and protect the planet at all costs.

Going Wild


Lisa McMann - 2016
    After putting it on, she notices odd things start to happen. Suddenly Charlie seems to have the speed of a cheetah and the strength of an elephant—and that’s just the beginning. She would be thrilled about her transformation if she had any idea how to use the device or control her amazing powers. So Charlie is forced to put her trust in new friends to help her uncover the surprising truth behind the mysterious bracelet.

Rocket Ship Galileo


Robert A. Heinlein - 1947
    But they never imagined they would team up with a nuclear physicist to construct and crew a rocket bound for the moon.And they never expected to gain some powerful enemies in the process.

Project Alpha


D.J. MacHale - 2015
    J. MacHale launches this part sci-fi, all action adventure, multiplatform series.  Earth is about to go dark. Without a new power source, life as we know it will be toast. A global competition is under way to determine which four kids will join the secret mission that might just save us all. Project Alpha is a contest of physical challenges, mental puzzles, and strategic alliances. The battle is fierce. Who will lead the team? Who will pilot the most complicated space ship ever built? Who will be a friend? An enemy? And how will they survive over a year stuck on a space ship together?  Once chosen, the Voyagers will journey to the far reaches of space, collecting unique elements and facing unbelievable dangers. The future of our planet is in their hands. Sure, they’ll be the best in the world . . . but can they save the world?  The action is on the page, on your device, and out of this world! And you don't have long to wait, 6 books are coming all in one year! Do you have what it takes to be a Voyager? Find out at VoyagersHQ.com.

Mars Evacuees


Sophia McDougall - 2014
    because until you’ve been shot at, pursued by terrifying aliens, taught maths by a laser-shooting robot goldfish and tried to save the galaxy, I don’t think you can say that you’ve really lived.If the sme thing happens to you, this is my advice: ALWAYS CARRY DUCT TAPE.

Escape to Witch Mountain


Alexander Key - 1968
    But because they have supernatural powers, they are sure that they come from another world--and that their people still exist somewhere.Then Tony and Tia find that they must escape from men who want to use their special powers for evil. They begin a desperate search to find their true home--which leads them to the strange and mysterious Witch Mountain.

Last Day on Mars


Kevin Emerson - 2017
    Not since it was burned to a cinder by the sun, which has mysteriously begun the process of going supernova. The human race has fled to Mars, but this was only a temporary solution while we prepare for a second trip: a one-hundred-fifty-year journey to a distant star, our best guess at where we might find a new home.Liam Saunders-Chang is one of the last humans left on Mars. The son of two scientists who have been racing against time to create technology vital to humanity’s survival, Liam, along with his friend Phoebe, will be on the very last starliner to depart before Mars, like Earth before it, is destroyed.Or so he thinks. Because before this day is over, Liam and Phoebe will make a series of profound discoveries about the nature of time and space, and find out that the human race is just one of many in our universe locked in a desperate struggle for survival.

The League of Seven


Alan Gratz - 2014
    His parents are members of the Septemberist Society, whose job it is to protect humanity from hideous giants called the Mangleborn. Trapped in underground prisons for a thousand years, the giant monsters have been all but forgotten -- but now they are rising again as the steam-driven America of 1875 rediscovers electricity, the lifeblood of the Mangleborn.When his parents and the rest of The Septemberists are brainwashed by one of the evil creatures, Archie must assemble a team of seven young heroes to save the world.

Cog


Greg Van Eekhout - 2019
    One unforgettable journey. Their programming will never be the same. Cog looks like a normal twelve-year-old boy. But his name is short for “cognitive development,” and he was built to learn.But after an accident leaves him damaged, Cog wakes up in an unknown lab—and Gina, the scientist who created and cared for him, is nowhere to be found. Surrounded by scientists who want to study him and remove his brain, Cog recruits four robot accomplices for a mission to find her.Cog, ADA, Proto, Trashbot, and Car’s journey will likely involve much cognitive development in the form of mistakes, but Cog is willing to risk everything to find his way back to Gina.

The Moon Platoon


Jeramey Kraatz - 2017
    But when he wins a scholarship for a life-changing trip to visit the Lunar Taj, the first-ever resort on the Moon, Benny thinks he finally has a chance to give his family a better life. Benny can’t wait to fly his very own Space Runner, practice reverse bungee jumping, and explore craters on the dark side of the Moon. But he gets more than he expected when he and the other kids discover the Moon has secrets no one else knows about. Benny is a long way from home—and soon there might not be an Earth to go back to.

The Empire Strikes Back - So You Want to Be a Jedi?


Adam Gidwitz - 2015
    You can move things with your mind. Control people with your thoughts. Oh, and the lightsabers. Yeah, those are awesome. But it's not all mind control and weaponized flashlights. Being a Jedi is hard work. Also, there are bad guys. Lots of bad guys. Who want to kill you.Do you still want to be a Jedi?Well, this book tells the tale of one of the greatest Jedi ever. It's also a retelling of the classic film The Empire Strikes Back. But it is more than that. It also teaches you how to become a Jedi. Maybe you don't need to learn how to levitate or sense your surroundings blindfolded. And maybe you don't want to hear a story about lightsabers and murderous snow creatures and spaceships. But maybe you do want to hear such a story. And maybe, just maybe, you do want to learn how to be a Jedi. Well, in that case, this is the book for you. The choice, my young friend, is in your hands. Literally.