time travel

After being transported into the future, Billy Chan and his friends discover that the Dragon of Death is in control of Dragon City, but they are determined to track down their own dragons and with their help undo the harm done by the villainous ruler.

"Four former friends are transported back in time to a pivotal summer in all of their lives during a camp reunion"--Provided by publisher.

A group of time-traveling teens races through history to try to stop time and the multiverse from unraveling.

When sixteen-year-old Dan Renfrew accidentally transports himself to England in the year 1066, he learns he is a time jumper, descended from a long line of secret heroes who protect the present by traveling to the past to fix breaks and glitches in the time stream.

When a homework assignment and a magic table summon real and fictional people from history, including the bloodthirsty pirate Blackbeard, sixth-grader Javi, his brawny younger sister Brady, and his brainy best friend Wiki join forces to save the world.

After accidentally traveling back in time and rewriting the future, twelve-year-old best friends Rahim and Kasia must work together to restore their timeline.

"Ever since he learned about climate change, twelve-year-old Jonah has dreaded a weather-beaten future where not even his asthma medication can save him. Luckily, a girl from that future arrives just in time to throw Jonah a lifeline. Sunny traveled back to the 2020s with a mission: help Jonah launch a climate strike big enough to rewrite history. To do it, he'll have to recruit his entire school before Halloween. . . . How can Jonah win over 600 classmates when the only thing he dreads more than the end of the world is talking to other kids?"--Provided by publisher.

"One night, Blue prepares to read a poem to an audience of friends from around the neighborhood. But just before he takes the stage, he's frozen with stage fright. The gang decides to travel back in time to borrow a good luck charm from one of Blue's poet ancestors in the hopes that holding it will make Blue brave. But once Blue gets one charm, he realizes he needs one more. And then another one. And then another one--will Blue ever feel bold enough to take the stage, or will these three friends be looping back in time forever?!"--Provided by publisher.

"Kyle, Vic, Harry, Beth, and Nate try to return home after being transported fifty years into the past while attempting to avoid questions about who--and from when--they are"--OCLC.

Super Potato is on a time-travel mission, searching the Middle Ages for a scientist trapped in the past, and he soon finds a heroic knight who turned into a serpent. In graphic novel format.