The Forgotten Door


Alexander Key - 1965
    He can't remember who he is or where he came from. He only knows he fell through the forgotten door to the strange planet, Earth, and he is in great danger. Injured from his fall, he has to find someone who will help him. Through his extraordinary power to read people's minds, Jon makes friends with a local family. But then rumors of his existence get back to the army and Jon realizes that the family is in danger, too. Time is running out. He must find the secret passage quickly or he may never get home again.

The Wishing Spell


Chris Colfer - 2012
    Through the mysterious powers of a cherished book of stories, they leave their world behind and find themselves in a foreign land full of wonder and magic where they come face-to-face with the fairy tale characters they grew up reading about.But after a series of encounters with witches, wolves, goblins, and trolls alike, getting back home is going to be harder than they thought.

Omega City


Diana Peterfreund - 2015
    His conspiracy theories about the lost technology of Cold War–era rocket scientist Dr. Aloysius Underberg may have cost him his job and forced them to move to the middle of nowhere, but Gillian knows he's right and plans to prove it.When she discovers a missing page from Dr. Underberg's diary in her father's mess of an office, she thinks she's found a big piece of the puzzle—a space-themed riddle promising to lead to Dr. Underberg's greatest invention. Enlisting the help of her skeptical younger brother, Eric, her best friend, Savannah, and Howard, their NASA-obsessed schoolmate, Gillian sets off on a journey into the ruins of Omega City, a vast doomsday bunker deep inside the earth,.But they aren't alone inside its dark and flooded halls. For while Gillian wants to save her dad's reputation by bringing Dr. Underberg's secrets to light, there are others who will stop at nothing to make sure they stay buried . . . forever.

Fever Crumb


Philip Reeve - 2009
    Crumb, a member of the order of Engineers, where she serves as apprentice. In a time and place where women are not seen as reasonable creatures, Fever is an anomaly, the only female to serve in the order.Soon though, she must say goodbye to Dr. Crumb - nearly the only person she's ever known - to assist archeologist Kit Solent on a top-secret project. As her work begins, Fever is plagued by memories that are not her own and Kit seems to have a particular interest in finding out what they are. Fever has also been singled out by city-dwellers who declare her part Scriven.The Scriveners, not human, ruled the city some years ago but were hunted down and killed in a victorious uprising by the people. If there are any remaining Scriven, they are to be eliminated.All Fever knows is what she's been told: that she is an orphan. Is Fever a Scriven? Whose memories does she hold? Is the mystery of Fever, adopted daughter of Dr. Crumb, the key to the secret that lies at the heart of London?Haunting, arresting, and astonishingly original, Fever Crumb will delight and surprise readers at every fast-paced, breathless turn.

The Crooked Sixpence


Jennifer Bell - 2016
    Soon their house is ransacked by unknown intruders, and a very strange policeman turns up on the scene, determined to apprehend them . . . with a toilet brush. Ivy and Seb make their escape only to find themselves in a completely uncommon world, a secret underground city called Lundinor where ordinary objects have amazing powers. There are belts that enable the wearer to fly, yo-yos that turn into weapons, buttons with healing properties, and other enchanted objects capable of very unusual feats. But the forces of evil are closing in fast, and when Ivy and Seb learn that their family is connected to one of the greatest uncommon treasures of all time, they must race to unearth the treasure and get to the bottom of a family secret . . . before it’s too late.

The Shadow Cipher


Laura Ruby - 2017
    Fifty-seven years later, the enigmatic architects disappeared, leaving behind for the people of New York the Old York Cipher—a puzzle laid into the shining city they constructed, at the end of which was promised a treasure beyond all imagining. By the present day, however, the puzzle has never been solved, and the greatest mystery of the modern world is little more than a tourist attraction.Tess and Theo Biedermann and their friend Jaime Cruz live in a Morningstarr apartment house—until a real estate developer announces that the city has agreed to sell him the five remaining Morningstarr buildings. Their likely destruction means the end of a dream long-held by the people of New York. And if Tess, Theo and Jaime want to save their home, they have to prove that the Old York Cipher is real. Which means they have to solve it.

Winterhouse


Ben Guterson - 2018
    Upon arrival, Elizabeth quickly discovers that Winterhouse has many charms―most notably its massive library. It’s not long before she locates a magical book of puzzles that will unlock a mystery involving Norbridge and his sinister family. But the deeper she delves into the hotel’s secrets, the more Elizabeth starts to realize that she is somehow connected to Winterhouse. As fate would have it, Elizabeth is the only person who can break the hotel’s curse and solve the mystery. But will it be at the cost of losing the people she has come to care for, and even Winterhouse itself?Mystery, adventure, and beautiful writing combine in this exciting debut richly set in a hotel full of secrets.

Greenglass House


Kate Milford - 2014
    The creaky smuggler’s inn is always quiet during this season, and twelve-year-old Milo, the innkeepers’ adopted son, plans to spend his holidays relaxing. But on the first icy night of vacation, out of nowhere, the guest bell rings. Then rings again. And again. Soon Milo’s home is bursting with odd, secretive guests, each one bearing a strange story that is somehow connected to the rambling old house. As objects go missing and tempers flare, Milo and Meddy, the cook’s daughter, must decipher clues and untangle the web of deepening mysteries to discover the truth about Greenglass House—and themselves.

Spy School


Stuart Gibbs - 2012
    or bust. Unfortunately for him, his personality doesn’t exactly scream “secret agent.” In fact, Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate math skills, Ben isn't surprised when he is recruited for a magnet school with a focus on science—but he’s entirely shocked to discover that the school is actually a front for a junior C.I.A. academy. Could the C.I.A. really want him?Actually, no. There’s been a case of mistaken identity—but that doesn’t stop Ben from trying to morph into a supercool undercover agent, the kind that always gets the girl. And through a series of hilarious misadventures, Ben realizes he might actually be a halfway decent spy…if he can survive all the attempts being made on his life!

The Mark of the Dragonfly


Jaleigh Johnson - 2014
    Which means a reward for Piper if she can get the girl home. The one sure way to the Territories is the 401, a great old beauty of a train. But a ticket costs more coin than Piper could make in a year. And stowing away is a difficult prospect--everyone knows that getting past the peculiar green-eyed boy who stands guard is nearly impossible. Life for Piper just turned dangerous. A little bit magical. And very exciting, if she can manage to survive the journey.

Click Here to Start


Denis Markell - 2016
    So when his great-uncle dies and bequeaths him the all so-called treasure in his overstuffed junk shop of an apartment, Ted explores it like it’s another level to beat. And to his shock, he finds that eccentric Great-Uncle Ted actually has set the place up like a real-life escape-the-room game!Using his specially honed skills, Ted sets off to win the greatest game he’s ever played, with help from his friends Caleb and Isabel. Together they discover that Uncle Ted’s “treasure” might be exactly that—real gold and jewels found by a Japanese American unit that served in World War II. With each puzzle Ted and his friends solve, they get closer to unraveling the mystery—but someone dangerous is hot on their heels, and he’s not about to let them get away with the fortune.

The Blackthorn Key


Kevin Sands - 2015
    With time running out, Christopher must use every skill he’s learned to discover the key to a terrible secret with the power to tear the world apart.

The Girl Who Could Fly


Victoria Forester - 2008
    Just like that. Easy as pie.Sure, she hasn’t mastered reverse propulsion and her loops are kind of sloppy, but she’s real good at loop-the-loops.Problem is, the good folk of Lowland County are afraid of Piper. And her ma is at her wit’s end. So it seems only fitting that she leave her parents’ farm to attend a top-secret, maximum-security school for kids with exceptional abilities.School is great at first with a bunch of new friends whose skills range from super-strength to super-genius. (Plus all the homemade apple pie she can eat!) But Piper is special, even among the special. And there are consequences.Consequences too dire to talk about. Too crazy to consider. And too dangerous to ignore.At turns exhilarating and terrifying, Victoria Forester’s debut novel is an unforgettable story of defiance and courage about an irrepressible heroine who can, who will, who must...fly.

The Cabinet of Wonders


Marie Rutkoski - 2008
    But it's never been ordinary. She has a pet tin spider named Astrophil who likes to hide in her snarled hair and give her advice. Her best friend can trap lightning inside a glass sphere. Petra also has a father in faraway Prague who is able to move metal with his mind. He has been commissioned by the prince of Bohemia to build the world's finest astronomical clock.Petra's life is forever changed when, one day, her father returns home – blind. The prince has stolen his eyes, enchanted them, and now wears them. But why? Petra doesn't know, but she knows this: she will go to Prague, sneak into Salamander Castle, and steal her father's eyes back.Joining forces with Neel, whose fingers extend into invisible ghosts that pick locks and pockets, Petra finds that many people in the castle are not what they seem, and that her father's clock has powers capable of destroying their world.

Sky Jumpers


Peggy Eddleman - 2013
    The bombs destroyed almost everything that came before, so the skill that matters most in White Rock—sometimes it feels like the only thing that matters—is the ability to invent so that the world can regain some of what it’s lost.But Hope is terrible at inventing and would much rather sneak off to cliff dive into the Bomb’s Breath—the deadly band of air that covers the crater the town lives in—than fail at yet another invention.When bandits discover that White Rock has invented priceless antibiotics, they invade. The town must choose whether to hand over the medicine and die from disease in the coming months or to die fighting the bandits now. Hope and her friends, Aaren and Brock, might be the only ones who can escape through the Bomb’s Breath and make the dangerous trek over the snow-covered mountain to get help.For once, inventing isn’t the answer, but the daring and risk-taking that usually gets Hope into trouble might just save them all.