time-travel fiction

When Ridge, a time-traveling teenager from the future, gets trapped in 1999, he befriends Michael, a lonely twelve-year-old boy, changing the course of their lives forever.

When twelve-year old J.P. discovers a magical treehouse that sends her three days forward in time, she uses the portal to skip all the worst parts of middle school, despite the consequences.

"In this wordless time-travel adventure, three children at a Passover seder visit ancient Egypt to help baby Moses find his way safely to Pharaoh's daughter. When a family settles at the table for Passover, their dog nabs the afikomen bag (containing matzah used for the seder) and dives under the tablecloth. The children follow him and find themselves transported to ancient Egypt. There, they see baby Moses' mother and sister Miriam placing him in a reed basket. The baby's journey down the Nile is hazardous -- he encounters several obstacles along the way, including a wily crocodile. Thanks to the three children, he reaches his destination unharmed, with a piece of afikomen tucked into his basket. The children return to the seder table and, exhausted, fall asleep. But what are their parents to make of the grains of sand in the afikomen bag?"--Amazon.

"Elliott has to follow a time-trotting trouble-maker and can't mess with history or reveal his identity, but his own existence is up for grabs when his parents hate each other and a mysterious villain is searching for a powerful cosmic object that threatens the universe"--Publisher.

Told in alternating voices and timelines, twelve-year-old Henry and his two friends unknowingly alter the outcome of World War II when they communicate over radio with three kids from 1944 and must now work together to change it back.

"Ike Pressure is an Army brat. Which, if you ask him, is not an insult. His mom's new job is in Mercury, Nevada, on a secretive military base close to Area 51. What's more, his childhood friend, Eesha Webb, and her family are about to move there too. Spoiler alert: Ike and Eesha aren't really best buds, even though their parents think so. They used to play together when they were little kids, but now she's more like his nemesis. Still, it's clear to both of them that something mysterious is happening on the base--but what could it be? Eesha is convinced it has to do with aliens, but Ike isn't so sure. What they don't know is that the stakes are actually much higher than they could have imagined--and Ike's mom might be in more danger than she has ever faced. Will Ike and Eesha be able to get over their differences and work together to unravel the secrets of Project Mercury?"--Amazon.

When Brandon travels back to yesterday to fix his homework, he unwittingly sets a feud in motion between his past and future selves.

"James, struggling with his parents' separation, embarks on a quest with a new friend to potentially travel back in time to his favorite memories, only to realize they might not be as perfect as he remembers"--OCLC.

Seventh grader Noah tries to avoid the worst day ever and help his future self win his eighth grade class election using time travel.

"Roger Tarkington believes his goal of middle school greatness is a slam dunk when he uncovers a magic calendar that lets him repeat days of the week. The 6th grader soon learns that time travel is just as confusing as Algebra"--Amazon.