time travel

So far the AstroNuts have failed to find a suitable planet, but NNASA has come up with a new plan: send the the four animal astronauts back through time on Earth where they are to contact early homo sapiens and somehow set them on a path to a sustainable future--trouble is, humans seem inferior to many of the other species (especially the wolves), so the AstroNuts come up with a Survival of the Fittest Olympics, hoping that with a little help the humans will prevail.

"Watching the news, Hanagaki Takemichi learns his junior-high girlfriend Tachibana Hinata has died. A sudden shove sends him 12 years into the past to face the Tokyo Manji Gang that once made his life hell, which is also responsible for Hinata's death in the present. To save Hinata and change the future, Takemichi must rise to the top of Kanto's most sinister delinquent gang! But things aren't so simple when he befriends the gang's leader, Mikey. What turned Mikey from a petulant child to the leader of the most infamous gang in Tokyo?"--Provided by publisher.

Despondent sixteen-year-old Malcolm finds his political voice as he is transported between his family's modern-day Mississippi farm and the life of his activist relative Cedric Johnson in post-Civil War south.

"Awakening in a world both unknown and disturbingly familiar, Lamont Cranston, aka the Shadow, must once again go up against his fiercest enemy, Shiwan Khan, and prove that he is not only a super crime-fighter, but an icon"--OCLC.

"A . . . love story following an ambitious lawyer who experiences an astonishing vision that could change her life forever"--Provided by publisher.

The Histronauts travel back in time to the Viking era to forage for food, decipher runes, build beautiful burial boats, and learn all about a Viking raid.

Kenzie has none of the classic qualities people believe all princesses should have--grace, poise, kindness. Instead, she feels like the black sheep of the family, especially compared to her seemingly perfect siblings--but in spite of her anxiety, she must play the part in her parents' medieval-themed resort in an old castle. When the old castle's time-traveling squire Gavin appears in Kenzie's present, she will learn that being a princess has a lot more to do with bravery and being a good friend than she imagined.

When his magician father's old rival, Maestro, finds a way to overwrite reality with an alternate timeline in which he rules over all, Kingston, Too Tall, and V must find a way into the Realm and travel back through time to stop Maestro and save Brooklyn before it is erased for good.

"A second chance is the last thing she wants. When thirty-nine year old Maria Forssmann wakes up in her seventeen-year-old body, she doesn't know how she got there. All she does know is she has to get back: to her home in Bienville, Mississippi, to her job as a successful psychiatrist and, most importantly, to her husband, daughters, and unborn son. But she also knows that, in only a few weeks, a devastating tragedy will strike her husband, a tragedy that will lead to their meeting each other. Can she change time and still keep what it's given her?"--.

"In 1995, seventeen-year-old aspiring journalist Jenny is flying back home to St. Louis when her plane mysteriously lands in the year 2020"--OCLC.