"An unnamed CIA operative, known as The Protagonist, is recruited by a mysterious organization called Tenet to participate in a global assignment that unfolds beyond real time. The mission: prevent Andrei Sator, a renegade Russian oligarch with precognition abilities, from starting World War III. The Protagonist will soon master the art of 'time inversion' as a way of countering the threat that is to come." --imdb.com

Chicago sixth-graders Jack and Ruthie return to the Thorne Rooms at the Art Institute of Chicago and once again go back in time while trying to stop an art thief from endangering the miniature rooms.

When Joe goes missing, Brett and Poppy begin to search for him and find themselves transported to a desert city that needs their help to escape destruction by an evil villain.

"Jonah, Katherine, Chip, and another boy, Alex, have no preparation before they are sent back to 1483 at the Tower of London, with the promise that they can return to the present if they can repair history. They quickly discover that Chip and Alex’s true identities are the 13-year-old King Edward V and his 10-year-old brother, Richard, Duke of York. But before Chip can enjoy being the king of England, they discover that they are virtually prisoners—and...

"Out of nowhere, a lady comes up to Anamaria and says she's her, from the future. But Anamaria's thirteen, she knows better than to talk to a stranger. Girls need to be careful, especially in Ciudad Juárez, Mexico--it's the 90's and fear is overtaking her beloved city as cases of kidnapped girls and women become alarmingly common. This thirty-year-old 'future' lady doesn't seem to be dangerous but she won't stop bothering her, switching between cheesy...

"Raised by a mother whose ironclad motto is 'men are trash,' Iza longs to prove her wrong, ideally with a kind, steady boyfriend who will free her from the exhausting treadmill that is dating. Although she's willing to try (almost) anything to find love, accidentally summoning a wish-granting stranger out of thin air was never part of the plan. Unfortunately, Beckett, her personal wish-granter, isn't exactly the sage and generous being she would expect....

"In modern Mexico, Sitlali is all alone after the death of her beloved abuela. Targeted by a dangerous gang member, she flees to the United States. As a memento, she takes with her an ancient conch shell. In 1521, Calizto is trapped in the Aztec city of Tenochtitlan. He has fought valiantly for his people against Spanish invaders, but hope is fading. Desperate, he takes up a sacred conch and sounds a plea to the gods. The conch holds magic neither...

"When Martin and Tawny's children disappeared, the couple barreled into the desert to track them down at any cost. Instead, they ran afoul of another group of rovers who claimed to be saving the world by traveling through a cave portal to the year 1492 to prevent the creation of America-an idea that defied belief until the grieving parents were lured into the cave and vanished in time and space. Now alone, Tawny must adapt to the wild marshlands of...

Rush Revere and the kids from Manchester Middle School go back in time and meet the first three presidents of the United States.

"The year is 2112, and it’s the apocalypse exactly as expected: rivers receding, oceans rising, civilization crumbling. Humanity has given up hope, except for a group of Indigenous outcasts who have discovered a time travel portal in a cave in the desert and figured out where everything took a turn for the worst: America. Convinced that the only way to save the world is to rewrite its past, they send one of their own—a reluctant linguist named...