From the critically acclaimed author of Float comes a new whirlwind adventure about a pair of kids who must break all the rules of time travel, perfect for fans of Gordon Korman and John David Anderson. Regan Fitz and Elliot Mason have been enemies since they started training to become Glitchers--people who travel through time to preserve important historical events. But everything changes when they find a letter from Regan's future self, warning them about an impending disaster that threatens them and everyone they know. Will they be able to set aside their past in order to save the future?

Two girls with very different superpowers join together to save the world from a tiny tyrant in this sequel to The Secret Spiral. Flor Bernoulli, a fashion maven from Brooklyn, New York, and Lucy Moon, a horse-rustling farm girl from Georgia, are both in possession of magic keys that give them special powers. And they’re going need those powers if they have any hope of saving the universe. Only four inches tall and made of nothing but squares and rectangles, Square Man is on a mission throughout the universe to destroy anything round or curved. And it’s up to Flor and Lucy to stop him. Helped by Dr. Pi, a pie-baking wizard thousands of years old, and Buddy Moon, Lucy’s father and owner of an ice plant, this fantasy adventure takes the girls on a romp through time and space…and introduces a bit of magical math at the same time.

The third title in the nationally bestselling series The Riverton Ice Chips know a thing or two about time travel. With a bit of magic and their beloved hometown rink, teammates Lucas, Edge and Swift have gone back in time to meet Gordie Howe and Sidney Crosby when the hockey greats were just kids. Along the way, the Chips have learned about perseverance, sportsmanship and a true love of the game. But when a local tournament requires the Chips to split up to help form a district-wide all-girls hockey team, goalie Swift refuses to join forces with Chips rival Beatrice Blitz. The only thing left to do is to time travel once again. Pretty soon the Chips find themselves smack in the middle of the Calgary Olympics, with a determined young player known as Chicken in desperate need of some new teammates. Lucas, Swift and Swift’s sister Sadie have just the spirit Chicken’s team needs, and with a lesson from their dedicated new friend—who’ll go on to become one of Canada’s best-loved Olympic hockey players, Hayley Wickenheiser—they just might change their minds about the game back home. The Ice Chips and the Invisible Puck is the third title in this beloved and bestselling series by acclaimed authors Roy MacGregor and Kerry MacGregor and illustrator Kim Smith, featuring a vibrant and diverse cast of characters and inspiring hockey greats.

From the author of the highly acclaimed Ink, Iron, and Glass series, this YA duology sends three science prodigies on a time-traveling adventure to save the Earth—if they don’t accidentally destroy it first—in Gwendolyn Clare's In the City of Time. In 1891, Willa Marconi's life falls apart when her mentor at the University of Bologna unexpectedly dies. She loses her laboratory access and her stipend, but she refuses to let anyone take her research away. While testing her prototype radio equipment, she detects a mysterious signal and pursues its origin. In 2034, a cataclysmic event has rendered the Earth uninhabitable, and humankind survives by living inside of artificial worlds. Riley would do anything for Jaideep, who lost his parents in the collapse of the Bay Area pocket universe—and anything includes building a time machine so they can travel back to the 19th century, prevent the destabilization of the planet, and rewrite history. But the experiment goes wrong, accidentally pulling Willa forward in time and stranding the three of them in a strange, seemingly abandoned city. Now they’ve got a glitchy time machine, a scary android time cop hot on their trail, and some tangled temporal mechanics to unravel. Can they save the Earth when the Continuity Agency is dead-set on preserving the current timeline?

James Dashner returns to the New York Times bestselling series! They've sailed on the Santa Maria, defended famous cities from Vikings and Mongols, and come face-to-face with some of the greatest figures in history. Now, at long last, Dak, Sera, and Riq travel back in time to the moment it all began. Their mission: to save the life of young Alexander the Great. But they are not the only time travelers in ancient Greece. An epic battle against their most dangerous foe awaits them . . . and history will be written by the victors. Fix the past. Save the future. It's now or never!

In this new Legendary Alston Boys adventure from Edgar-nominated author Lamar Giles, Otto and Sheed must embark on their most dangerous journey yet, bringing a fugitive to justice in a world that mirrors their own but has its own rules to play by. Unlike the majority of Logan County's residents, Missus Nedraw of the Rorrim Mirror Emporium remembers the time freeze from The Last Last-Day-of-Summer, and how Otto and Sheed took her mirrors without permission in order to fix their mess. Usually that's an unforgivable offense, punishable by a million-year sentence. However, she's willing to overlook the cousins' misdeeds if they help her with a problem of her own. One of her worst prisoners has escaped, and only the Legendary Alston Boys of Logan County can help bring the fugitive to justice. This funny and off-the-wall adventure is perfect for readers of Jonathan Auxier and Lemony Snicket.

Jonah and Katherine come face to face with Albert Einstein in the fifth book of the New York Times bestselling The Missing series. Jonah and Katherine are accustomed to traveling through time, but when learn they next have to return Albert Einstein’s daughter to history, they think it’s a joke—they’ve only heard of his sons. But it turns out that Albert Einstein really did have a daughter, Lieserl, whose 1902 birth and subsequent disappearance was shrouded in mystery. Lieserl was presumed to have died of scarlet fever as an infant. But when Jonah and Katherine return to the early 1900s to fix history, one of Lieserl’s parents seems to understand entirely too much about time travel and what Jonah and Katherine are doing. It’s not Lieserl’s father, either—it’s her mother, Mileva. And Mileva has no intention of letting her daughter disappear.

Join Mulan and her friends Mushu, Cri-Kee, and more as they set out to save Mulan's father and the Chinese empire from an enemy invasion. This Step 2 Step into Reading leveled reader is based on the Disney Princess film Mulan.

Kara and Zed are off on a new adventure, in this twisted fairy tales series from Anna Staniszewski! Pick a book. Grow a Reader! This series is part of Scholastic''s early chapter book line Branches, aimed at newly independent readers. With easy-to-read text, high-interest content, fast-paced plots, and illustrations on every page, these books will boost reading confidence and stamina. Branches books help readers grow! Snow White needs help! One of her dwarf friends has been kidnapped by the evil queen. It''s up to Kara and Zed to travel to the castle and rescue the dwarf in time for Snow White''s wedding. Magic, friendship, and adventure come together in the adorable Once Upon a Fairy Tale series, featuring black-and-white illustrations on every page.

Princess Rosa's palace has been under a sleeping spell for one hundred years, and the spell will end at sunset; but Princess Rosa sleepwalks and when Kara and Zed enter the palace they find that she is missing--and the two fairies, Miranda and her son Leon, that have been caring for the sleepers do not seem particularly anxious to find her before the spell resets for another hundred years.

In the war-ravaged England of 1940, Charlotte Bromley is sure of only one thing: Kitty McLaughlin is her best friend in the whole world. But when Charlotte's scientist father makes an astonishing discovery that the Germans will covet for themselves, Charlotte is faced with an impossible choice between danger and safety. Should she remain with her friend or journey to another time and place? Her split-second decision has huge consequences, and when she finds herself alone in the world, unsure of Kitty's fate, she knows that somehow, some way, she must find her way back to her friend. Written in the spirit of classic time-travel tales, this book is an imaginative and heartfelt tribute to the unbreakable ties of friendship.

Ian Wigby is about to find out that he is a very special boy. Along the southern coast of England, atop the White Cliffs of Dover, stands a castle. And at that castle’s old keep is an orphanage. Delphi Keep has seen many youngsters come and go through its gates, and Ian Wigby and his sister, Theodosia, are happy to call it home. Life has always been simple at the Keep, and the orphanage safe, until one day, Ian and Theo find a silver treasure box. And within the box, a prophesy. Three thousand years ago a great Greek oracle wrote of a quest. A quest on which the fate of the world depends. A quest that names two children—Ian and Theodosia. Suddenly Delphi Keep is no longer safe. And Ian and Theo, along with a very special group of friends, realize they must unravel the meaning behind the scroll of Dover cavern before darkness falls on the world. And before an unfathomable evil catches up with them.

It's New Year's Eve and there's trouble on the timeline. Elle is sent on an urgent trip to the 31st of December 1999, the eve of the new millennium, where Millennia's on the rampage. She aims to reinvent herself as a malevolent millennial by taking on Time itself. Can Millennia change the past to destroy the future? It can't be left to chance. It's up to Elle and The Infinites to save the world. And with the very nature of time at stake, they'll have unexpected help from friends in high places. It's the final countdown. And it starts now . . .