Book picks similar to
Mammoth Trouble by D. Robert Pease


sci-fi
middle-grade
young-adult
science-fiction

The Book of Time


Guillaume Prévost - 2006
    They look as dusty as everything else in the Faulkner Antiquarian Bookstore, where 14-year-old Sam Faulkner seeks his father, who's been missing for days. But when Sam slips the coin into the statue, he's swept back in time -- to Scotland in 800 A.D. -- where he must find both the statue and another coin in order to return to the present. It's the first step in an adventure that will take him to ancient Egypt, World War I, even Dracula's castle -- and a mystery that will end only when Sam saves his father, or loses him in time . . .

The Forbidden Stone


Tony Abbott - 2014
    Readers who loved Percy Jackson will be eager to follow our heroes on this six-book, six-novella journey and excited to enter a sweepstakes to participate in a real-life scavenger hunt hosted by Tony Abbott that lets the reader become part of the story.It all began when four friends-Wade, Lily, Darrel, and Becca-received a strange, coded email from Wade's uncle Henry shortly before the old man's sudden death. They set off for Germany to attend the funeral with Wade's father, Roald, and discover that Uncle Henry left them yet another baffling message that they suspect is the key to figuring out how and why he died.The message leads to a clue, and the more clues they discover, the farther they travel down a treacherous path toward an ancient, guarded secret. Soon they are in a breathless race across the globe, running for their lives as a dangerous shadow organization chases them around every corner. Their only hope of saving themselves-and the world that they know-is to find twelve magical relics from a hidden past that will unlock the Copernicus Legacy.

Daughter of the Deep


Rick Riordan - 2021
    Ana's parents died while on a scientific expedition two years ago, and the only family she's got left is her older brother, Dev, also a student at HP. Ana's freshman year culminates with the class's weekend trial at sea, the details of which have been kept secret. She only hopes she has what it'll take to succeed. All her worries are blown out of the water when, on the bus ride to the ship, Ana and her schoolmates witness a terrible tragedy that will change the trajectory of their lives.But wait, there's more. The professor accompanying them informs Ana that their rival school, Land Institute, and Harding-Pencroft have been fighting a cold war for a hundred and fifty years. Now that cold war has been turned up to a full broil, and the freshmen are in danger of becoming fish food. In a race against deadly enemies, Ana will make amazing friends and astounding discoveries about her heritage as she puts her leadership skills to the test for the first time.

Tesla's Attic


Neal Shusterman - 2014
    When Nick opens the door to his attic room, he's hit in the head by a toaster. That's just the beginning of his weird experiences with the old junk stored up there. After getting rid of the odd antiques in a garage sale, Nick befriends some local kids-Mitch, Caitlin, and Vincent-and they discover that all of the objects have extraordinary properties. What's more, Nick figures out that the attic is a strange magnetic vortex, which attracts all sorts of trouble. It's as if the attic itself has an intelligence . . . and a purpose.Ultimately Nick learns that the genius Nikola Tesla placed the items-his last inventions-in the attic as part of a larger plan that he mathematically predicted. Nick and his new friends must retrieve everything that was sold at the garage sale and keep it safe. But the task is fraught with peril-in addition to the dangers inherent in Tesla's mysterious and powerful creations, a secret society of physicists, the Accelerati, is determined to stop Nick and alter destiny to achieve its own devious ends. It's a lot for a guy to handle, especially when he'd much rather fly under the radar as the new kid in town.

Hollow Earth


John Barrowman - 2012
    Together, they are able to bring art to life and enter paintings at will. Their extraordinary abilities are highly sought after, particularly by a secret group who want to access the terrors called Hollow Earth. All the demons, devils, and evil creatures ever imagined are trapped for eternity in the world of Hollow Earth—trapped unless special powers release them.The twins flee from London to a remote island off the west coast of Scotland in hopes of escaping their pursuers and gaining the protection of their grandfather, who has powers of his own. But the villains will stop at nothing to find Hollow Earth and harness the powers within. With so much at stake, nowhere is safe—and survival might be a fantasy.

Pi in the Sky


Wendy Mass - 2013
    His older brothers help his dad rule the cosmos, but all Joss gets to do is deliver pies. That's right: pies. Of course, these pies actually hold the secrets of the universe between their buttery crusts, but they're still pies.Joss is happy to let his older brothers shine. He has plenty to keep his hands full: attempting to improve his bowling score; listening to his best friend, Kal, try (and fail) to play the drums; and exploring his ever-changing home, The Realms. But when Earth suddenly disappears, Joss is tasked with the seemingly impossible job of bringing it back. With the help of Annika, an outspoken girl from Earth, he embarks on the adventure of a lifetime...and learns that the universe is an even stranger place than he'd imagined.From the New York Times bestselling author of The Candymakers comes a world-hopping tale that leads the reader deep into the heart of the mysteries of time and space. Plus, there's pie.

Rebel Genius


Michael Dante DiMartino - 2016
    Every artist possesses a Genius, a birdlike creature that is the living embodiment of an artist's creative spirit. Those caught with one face a punishment akin to death, so when Giacomo discovers he has a Genius, he knows he's in serious trouble.Luckily, he finds safety in a secret studio where young artists and their Geniuses train in sacred geometry to channel their creative energies as weapons. But when a murderous artist goes after the three Sacred Tools--objects that would allow him to destroy the world and everyone in his path--Giacomo and his friends must risk their lives to stop him.

The White Mountains


John Christopher - 1967
    Now people unquestioningly accept the Tripods' power. They have no control over their thoughts or their lives.But for a brief time in each person's life—in childhood—he is not a slave. For Will, his time of freedom is about to end—unless he can escape to the White Mountains, where the possibility of freedom still exists.

Blast of the Dragon's Fury


L.R.W. Lee - 2013
    Experience it for yourself!Gamer Andy Smithson is whisked away to the magical land of Oomaldee, where fire-breathing dragons, giants, and deadly curses lurk around every corner.Trading his controller for a sword of legend, Andy embarks upon an epic quest to break a centuries-old curse oppressing the land. It isn't chance that plunges him into the adventure though, for he soon discovers his ancestors are behind the curse.Blast of the Dragon's Fury is a coming-of-age, epic fantasy adventure from USA Today Bestselling author L. R. W. Lee featuring fast-paced action, sword fights, laugh-out-loud humor, with a few life lessons thrown in. It's perfect for fans of Eragon, Fablehaven, Percy Jackson, Magemother, and Aster Wood!

Sputnik's Guide to Life on Earth


Frank Cottrell Boyce - 2016
    Now Prez has come to live with them. But, though he seems cheerful and helpful, he never says a word.Then one day Prez answers the door to someone claiming to be his relative. This small, loud stranger carries a backpack, walks with a swagger and goes by the name of Sputnik.As Prez dithers on the doorstep, Sputnik strolls right past him and introduces himself to everyone in the household. Prez is amazed at the response. The family pat Sputnik on the head, call him a good boy and drop food into his mouth. It seems they all think Sputnik is a dog. It's only Prez who thinks otherwise.But Prez soon finds himself having to defend the family from the chaos and danger unleashed by Sputnik, as household items come to life - like a TV remote that fast-forwards people: 'Anyone can do it, it's just that people don't read the instructions properly'; and a toy lightsaber that entertains guests at a children's party, until one of them is nearly decapitated by it - and Prez is going to have to use his voice to explain himself.It turns out that Sputnik is writing a guidebook to Earth called Ten Things Worth Doing on Earth, and he takes Prez on a journey to discover just those ten things. Each adventure seems to take Prez nearer to the heart of the family he is being fostered by. But they also take him closer to the day that he is due to leave them forever . . .

Brightstorm


Vashti Hardy - 2018
    To make matters worse, the Lontown Geographical Society finds Ernest Brightstorm guilty of sabotaging the expedition of his competitor, Eudora Vane, a respected and powerful member of the Society. But then a mysterious clue leads the twins to question the story they’ve been told. Joining the ragtag crew of the Aurora, a homemade sky-ship captained by the intrepid Harriet Culpepper, Arthur and Maudie race to South Polaris to salvage their family’s reputation. As the sky-ship sets sail, the twins must keep their wits about them if they are to uncover the truth about what happened on their father’s doomed expedition, and to prove themselves worthy explorers. Brightstorm is a propulsive, vividly imagined fantasy adventure set among vibrant landscapes and peopled with dynamic and unforgettable characters.

Emilie and the Hollow World


Martha Wells - 2013
    But when evidence points to sabotage and they encounter the treacherous Lord Ivers, along with the strange race of the sea-lands, Emilie has to make some challenging decisions and take daring action if they are ever to reach the surface world again.

The Shrunken Head


Lauren Oliver - 2015
    But when a fourth child, Max, a knife-thrower, joins the group, it sets off an unforgettable chain of events. When the museum’s Amazonian shrunken head is stolen, the four are determined to get it back. But their search leads them to a series of murders and an explosive secret about their pasts. This sensational new series combines the unparalleled storytelling gifts of Lauren Oliver with the rich knowledge of the notorious relics collector H.C. Chester. What you will NOT find in this book:– An accountant named Seymour– A never-ending line at the post office– Brussel sprouts (shudder)– A lecture on finishing all your homework on time– A sweet, gooey story for nice little girls and boys.

The Girl Who Owned a City: The Graphic Novel


O.T. Nelson - 2012
    My parents are gone, so I'm responsible for my little brother Todd. I have to make sure we stay alive. Many kids are sick or starving, and fierce gangs are stealing and destroying everything they find. Lots of people have given up, but here on Grand Avenue, some of us are surviving, because of me.I figured out how to give the kids on Grand Avenue food, homes, and protection against the gangs. But Tom Logan and his army are determined to take away what we've built and rule the streets themselves. How long can we keep fighting them off? We need to find another place for us to live safely.A strong place, a secret place.In a world like this, someone has to take charge.

The Last Cuentista


Donna Barba Higuera - 2021
    Earth has been destroyed by a comet, and only a few hundred scientists and their children – among them Petra and her family – have been chosen to journey to a new planet. They are the ones who must carry on the human race.Hundreds of years later, Petra wakes to this new planet – and the discovery that she is the only person who remembers Earth. A sinister Collective has taken over the ship during its journey, bent on erasing the sins of humanity's past. They have systematically purged the memories of all aboard – or purged them altogether.Petra alone now carries the stories of our past, and with them, any hope for our future. Can she make them live again?