Book picks similar to
Ambassador by William Alexander


science-fiction
middle-grade
sci-fi
adventure

Raiders' Ransom


Emily Diamand - 2008
    Poor Lilly is out fishing with her trusty sea-cat when greedy raiders pillage the town--and kidnap the prime minister's daughter. Her village blamed, Lilly decides to find the girl. Off she sails, in secret. And with a ransom: a mysterious talking jewel. "If I save his daughter," Lilly reasons, "the prime minister's sure to reward me." Little does Lilly know that it will take more than grit to outwit the tricky, treacherous piratical tribes!

Peter Nimble and His Fantastic Eyes


Jonathan Auxier - 2011
    One fateful afternoon, he steals a box from a mysterious traveling haberdasher—a box that contains three pairs of magical eyes. When he tries the first pair, he is instantly transported to a hidden island where he is presented with a special quest: to travel to the dangerous Vanished Kingdom and rescue a people in need. Along with his loyal sidekick—a knight who has been turned into an unfortunate combination of horse and cat—and the magic eyes, he embarks on an unforgettable, swashbuckling adventure to discover his true destiny.Be sure to read the companion book, Sophie Quire and the Last Storyguard.

Quintessence


Jess Redman - 2020
    Her panic attacks started a week later, and they haven’t stopped -- even though she told her parents that they did. Every day she feels less and less like herself. Then Alma meets the ShopKeeper in the town's junk shop, The Fifth Point. The ShopKeeper gives her a telescope and this message:​Find the Elements.Grow the Light. Save the Starling.​That night, Alma watches as a star—a star that looks like a child—falls from the sky and into her backyard. Alma knows what it’s like to be lost and afraid, to long for home, and with the help of some unlikely new friends from the Astronomy Club, she sets out on a quest that will take a little bit of astronomy, a little bit of alchemy, and her whole self. Quintessence is a stunning story of friendship, self-discovery, interconnectedness, and the inexplicable elements that make you you.

Magic Marks the Spot


Caroline Carlson - 2013
    “My dear,” he said, “let me be clear: You are a young lady. You will not tell silly tales and you will never be a pirate.”Hilary Westfield has always dreamed of being a pirate. She can tread water for thirty-seven minutes. She can tie a knot faster than a fleet of sailors. She particularly enjoys defying authority, and she already owns a rather pointy sword. There’s only one problem: The Very Nearly Honorable League of Pirates refuses to let any girl join their ranks of scourges and scallywags.Girls belong at Miss Pimm’s Finishing School for Delicate Ladies, learning to waltz, faint, and cursty. But Hilary and her dearest friend, the gargoyle, have no use for such frivolous lessons—they are pirates! (Or very nearly.)To escape from a life of petticoats and politeness, Hilary answers a curious advertisement for a pirate crew and suddenly finds herself swept up in a seafaring adventure that may or may not involve a map without an X, a magical treasure that likely doesn’t exist, a rogue governess who insists on propriety, a crew of misfit scallywags, and the most treacherous—and unexpected—villain on the High Seas.Will Hilary find the treasure in time? Will she become a true pirate after all? And what will become of the gargoyle?

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.

Bloom


Kenneth Oppel - 2020
    It begins with rain. Rain that carries seeds. Seeds that sprout--overnight, everywhere. These new plants take over crop fields, twine up houses, and burrow below streets. They bloom--and release toxic pollens. They bloom--and form Venus flytrap-like pods that swallow animals and people. They bloom--everywhere, unstoppable.Or are they? Three kids on a remote island seem immune to the toxic plants. Anaya, Petra, Seth. They each have strange allergies--and yet not to these plants. What's their secret? Can they somehow be the key to beating back this invasion? They'd better figure it out fast, because it's starting to rain again....

Time Travelling with a Hamster


Ross Welford - 2015
    Once when he was thirty nine and again four years later when he was twelve.The first time had nothing to do with me. The second time definitely did, but I would never even have been there if it hadn’t been for his ‘time machine’…”When Al Chaudhury discovers his late dad’s time machine, he finds that going back to the 1980s requires daring and imagination. It also requires lies, theft, burglary, and setting his school on fire. All without losing his pet hamster, Alan Shearer…

Nightmares!


Jason Segel - 2014
    And now waking up is even worse!Charlie Laird has several problems:1. His dad married a woman he is sure moonlights as a witch.2. He had to move into her purple mansion, which is not a place you want to find yourself after dark.3. He can’t remember the last time sleeping wasn’t a nightmarish prospect. Like even a nap.What Charlie doesn’t know is that his problems are about to get a whole lot more real. Nightmares can ruin a good night’s sleep, but when they start slipping out of your dreams and into the waking world—that’s a line that should never be crossed. And when your worst nightmares start to come true . . . well, that’s something only Charlie can face. And he’s going to need all the help he can get, or it might just be lights-out for Charlie Laird. For good.[This is the first book in a trilogy.]

Sky Raiders


Brandon Mull - 2014
    But he dives after friends whisked away to The Outskirts.The five kingdoms lie in between - wakefulness and dreaming, reality and imagination, life and death. Some people are born there. Some find their way there from other worlds.And once people are in the Outskirts, they find it very hard to leave.With the magic of the Outskirts starting to unravel, Cole and an unusual girl named Mira must rescue his friends, set things right in the Outskirts, and hopefully find his way back home…before his existence is forgotten.

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.

Frank Einstein and the Antimatter Motor


Jon Scieszka - 2014
    After an uneventful experiment in his garage-lab, a lightning storm and flash of electricity bring Frank’s inventions—the robots Klink and Klank—to life! Not exactly the ideal lab partners, the wisecracking Klink and the overly expressive Klank nonetheless help Frank attempt to perfect his Antimatter Motor . . . until Frank’s archnemesis, T. Edison, steals Klink and Klank for his evil doomsday plan!

The Care and Feeding of a Pet Black Hole


Michelle Cuevas - 2017
    The black hole swallows everything he touches, which is challenging to say the least—but also turns out to be a convenient way to get rid of those items that Stella doesn't want around. Soon the ugly sweaters her aunt has made for her all disappear within the black hole, as does the smelly class hamster she's taking care of, and most important, all the reminders of her dead father that are just too painful to have around.It's not until Stella, her younger brother, Cosmo, the family puppy, and even the bathroom tub all get swallowed up by the black hole that Stella comes to realize she has been letting her own grief consume her. And that's not the only thing she realizes as she attempts to get back home.

Fortunately, the Milk


Neil Gaiman - 2013
    "I walked out of the corner shop, and heard a noise like this: t h u m m t h u m m. I looked up and saw a huge silver disc hovering in the air above Marshall Road.""Hullo," I said to myself. "That's not something you see every day. And then something odd happened."Find out just how odd things get in this hilarious New York Times bestselling story of time travel and breakfast cereal, expertly told by Newbery Medalist and bestselling author Neil Gaiman and illustrated by Skottie Young.

The Legend of Sam Miracle


N.D. Wilson - 2016
    They take him to another place and time, where he’s a courageous, legendary hero instead of a foster kid with two bad arms that can barely move. Sometimes these dreams feel so real, they seem like forgotten memories. And sometimes they make him believe that his arms might come alive again.But Sam is about to discover that the world he knows and the world he imagines are separated by one thing: time. And that separation is only an illusion. The laws of time can be bent and shifted by people with special magic that allows them to travel through the past, present, and future. One of these “time walkers” is out to protect Sam so that he can accept his greatest destiny, and another is out to kill him so that a prophecy will never be fulfilled. However, it’s an adventurous girl named Glory and two peculiar snakes who show Sam the way through the dark paths of yesterday to help him make sure there will be a tomorrow for every last person on earth.

Felix Yz


Lisa Bunker - 2015
    The creature is friendly, but Felix—now thirteen—won’t be able to grow to adulthood while they’re still melded together. So a risky Procedure is planned to separate them . . . but it may end up killing them both instead. This book is Felix’s secret blog, a chronicle of the days leading up to the Procedure. Some days it’s business as usual—time with his close-knit family, run-ins with a bully at school, anxiety about his crush. But life becomes more out of the ordinary with the arrival of an Estonian chess Grandmaster, the revelation of family secrets, and a train-hopping journey. When it all might be over in a few days, what matters most?