Book picks similar to
Under Locker and Key by Allison K. Hymas


middle-grade
mystery
realistic-fiction
action-adventure

Scar Island


Dan Gemeinhart - 2017
    It is dark, damp, and dismal. And it is just the place Jonathan figures he deserves.Because Jonathan has done something terrible. And he's willing to accept whatever punishment he has coming.Just as he's getting used to his new situation, however, a freak accident leaves the troubled boys of Slabhenge without any adult supervision. Suddenly the kids are free, with an entire island to themselves. But freedom brings unexpected danger. And if Jonathan can't come to terms with the sins of his past and lead his new friends to safety . . . then every boy on the island is doomed.

Whales on Stilts


M.T. Anderson - 2005
    But her dad–a normal-enough seeming guy–just so happens to work for an evil genius who plans to unleash an army of extremely cranky, stilt-walking, laser-beam-eyed whales upon the world. Lucky for Lily, her two best friends are anything but average. Both of them are famous for their adventures. Jasper Dash, Boy Technonaut, invents gadgets; Katie Mulligan spends her spare time fighting off zombies and were-goats. Surely they'll know what to do. And if they don't? then it will be up to Lily–average, everyday Lily–to come up with a plan.With this crazy comic ride of a novel, M. T. Anderson launches a riotous and wonderfully weird new series for listeners who like their thrilling tales with tongue firmly in cheek.

Girl Detective


R.A. Spratt - 2014
    But the biggest mystery yet is Ian Wainscott, the handsomest (and most arrogant) boy in school who inexplicably hates her. Will the homework be found? Can they ever track down the Yeti? And why is Ian out to ruin her?With black-and-white art throughout, this is the launch of an exciting new mystery series!

The Janitor's Boy


Andrew Clements - 2000
    When Jack Rankin gets busted for defacing a school desk with a huge wad of disgusting, watermelon bubble gum, the principal sentences him to three weeks of after-school gum cleanup for the chief custodian. The problem is, Jack's anger at the chief custodian was the reason for his gum project in the first place. The chief custodian happens to be Jack's dad. But doing time in the school basement after hours reveals some pretty surprising things: about the school, about Jack's father, and about Jack himself.

The Brilliant World of Tom Gates


Liz Pichon - 2011
    It's not easy when he's up against Delia, his weirdo big sister. All of his plans seem to get him into major trouble!

Wonder


R.J. Palacio - 2012
    Whatever you’re thinking, it’s probably worse. August Pullman was born with a facial difference that, up until now, has prevented him from going to a mainstream school. Starting 5th grade at Beecher Prep, he wants nothing more than to be treated as an ordinary kid—but his new classmates can’t get past Auggie’s extraordinary face. Wonder, begins from Auggie’s point of view, but soon switches to include his classmates, his sister, her boyfriend, and others.

The Great Treehouse War


Lisa Graff - 2017
    parents! An epic treehouse sleepover! An awesome group of friends! An exciting new book from National Book Award finalist Lisa Graff.Winnie's last day of fourth grade ended with a pretty life-changing surprise. That was the day Winnie s parents got divorced, the day they decided that Winnie would live three days a week with each of them and spend Wednesdays by herself in a treehouse smack between their houses, to divide her time perfectly evenly between them. It was the day Winnie s seed of frustration with her parents was planted, a seed that grew and grew until it felt like it was as big as a tree itself.By the end of fifth grade, Winnie decides that the only way to change things is to barricade herself in her treehouse until her parents come to their senses and her friends decide to join her. It s kids versus grown-ups, and no one wants to back down first. But with ten kids in one treehouse, all with their own demands, Winnie discovers that things can get pretty complicated pretty fast! Even if they are having the most epic slumber party ever.In the newest novel by beloved National Book Award finalist Lisa Graff, kids have turned the tables on their parents, and all the rules have been tossed out the window. But does Winnie have what it takes to hold her ground and keep everyone happy? This story, with a pitch-perfect middle grade voice and zany yet poignant situation, is perfect for fans of Sharon Creech, Louis Sachar, and Jack Gantos.

Middleworld


Jon Voelkel - 2007
    It transports the reader to a world in which the Maya deities still have power and influence, where time and space are in flux, but where even a fourteen-year-old from the outside can become aware, and find wisdom and love, if he can but open his eyes to the magic around him.

The Kneebone Boy


Ellen Potter - 2010
    But after their father unwittingly sends them to stay with an aunt who’s away on holiday, the Hardscrabble children take off on an adventure that begins in the seedy streets of London and ends in a peculiar sea village where legend has it a monstrous creature lives who is half boy and half animal. . . . In this wickedly dark, unusual, and compelling novel, Ellen Potter masterfully tells the tale of one deliciously strange family and a secret that changes everything.

Jake and Lily


Jerry Spinelli - 2012
    Even though they seem pretty different—Jake is the calm one and Lily has a temper; Lily is obsessed with trains and Jake collects cool rocks—they feel exactly the same, almost like two halves of one person. When one of them gets hurt, the other can feel it. They can communicate without words. And mysteriously, every year on their birthday, they sleepwalk to a train station in the middle of the night.But the year they turn eleven, everything changes. Their parents announce it’s time for separate bedrooms, and Jake starts hanging out with a pack of boys on the block. Lily is devastated—not to mention really, really mad. And as she struggles to make friends and get a life apart from her twin, Jake finds himself dealing with a neighborhood bully and has to decide what kind of person he really is.Beloved author Jerry Spinelli has written another perfectly on-target, humorous, and brilliant story about the struggles of growing up and discovering who you are.This is a story about me, Lily.And me, Jake.We're twins and we're exactly alike.Not exactly!Whatever. This is a book we wrote about the summer we turned eleven and Jake ditched me.Please. I just started hanging out with some guys in the neighborhood.Right. So anyway, this is a book aboutgoobers and supergoobersbulliesclubhousestrue friendsthings getting built and wrecked and rebuiltand about figuring out who we are.We wrote this together(sort of)so you'll get to see both sides of our story.But you'll probably agree with my side.You always have to have the last word, don't you?Yes!

Seagulls Don't Eat Pickles


Erica Farber - 2013
    Between sneaking into the library to track down Captain Kidd's map, stowing away on a boat, and trespassing on an island, Fish and his friends have their work cut out for them. But will Fish actually be able to find Captain Kidd's booty and win the bet? Appropriate for both boys and girls, this first book in the Fish Finelli series will inspire readers to use their imaginations, learn about the world around them, and appreciate the bonds of friendship.

The Fourth Stall


Chris Rylander - 2008
    It's what he does—he and his best friend and business manager, Vince. Their methods might sometimes run afoul of the law, or at least the school code of conduct, but if you have a problem, if no one else can help, and if you can pay him, Mac is on your side. His office is located in the East Wing boys' bathroom, fourth stall from the high window. And business is booming.Or at least it was, until one particular Monday. It starts with a third grader in need of protection. And before this ordeal is over, it's going to involve a legendary high school crime boss named Staples, an intramural gambling ring, a graffiti ninja, the nine most dangerous bullies in school, and the first Chicago Cubs World Series game in almost seventy years. And that's just the beginning. Mac and Vince soon realize that the trouble with solving everyone else's problems is that there's no one left to solve yours.

The Happy Hollisters


Jerry West - 1953
    First, the moving van carrying their toys and their father's important new invention disappears. Next, they learn that their house may be haunted, with a treasure hidden somewhere inside! Right away they all set out to solve these mysteries. Each one of the Hollister children - Pete (age 12), Pam (10), Ricky (7), Holly (6) and Sue (4) - plays an important role in finding clues, along with their parents who are always ready to join in on the excitement. Even Zip, the collie, and White Nose, the cat, are part of the family, and find thrilling adventures of their own. As the Hollisters explore their new town and make friends, they discover what happened to the moving van, and learn more about the mystery surrounding their new home. Excitement abounds when a secret stairway is discovered. Then, on the trail of a mysterious intruder, their chase leads them to a deserted hut on nearby Blackberry Island. Over seventy action-packed illustrations make the story- and the Hollister family- so vivid that the reader has a feeling of really sharing in on the adventures of this lovable and interesting family.

The Good Thieves


Katherine Rundell - 2019
    When Vita’s grandfather’s mansion is taken from him by a powerful real estate tycoon, Vita knows it’s up to her to make things right. With the help of a pickpocket and her new circus friends, Vita creates the plan: Break into the mansion. Steal back what’s rightfully her grandfather’s. Expose the real estate tycoon for the crook he truly is. But 1920s Manhattan is ever-changing and full of secrets. It might take more than Vita’s ragtag gang of misfits to outsmart the city that never sleeps. Award-winning author Katherine Rundell has created an utterly gripping tour de-force about loyalty, trust, and the lengths to which we’ll go for the ones we love.

The Robe of Skulls


Vivian French - 2007
    The sorceress Lady Lamorna has her heart set on a new robe. A very expensive new robe. To get the cash she will stop at nothing, including kidnapping, blackmail and more than a little black magic.