What Multiverse Theory Books Have Been Adapted Into Movies Or TV?

Avan Allen is a teenage inventor who creates a one of a kind invention that can transport people and objects from one universe to the other. Elated by how well it works, he's certain he'll win the prestigious annual teen inventing contest but accidentally brings a teenage boy called Travis from a parallel universe to his universe. When his invention gets mysteriously stolen, he and Travis, with the reluctant help of his twin sister, Aimee, must find it before the contest and in order to take Travis back to his universe. Will they be able to find the invention in time for the award?

Famous author, Valerie Adeline's world turns upside down after the death of her boyfriend, Daniel, who just so happened to be the fictional love interest in her paranormal romance series, turned real. After months of beginning to get used to her new normal, and slowly coping with the grief of her loss, Valerie is given the opportunity to travel into the fictional realms and lands of her book when she discovers that Daniel is trapped among the pages of her book. The catch? Every twelve hours she spends in the book, it shaves off a year of her own life. Now it's a fight against time to find and save her love before the clock strikes zero, and ends her life.

The story is a mixture of fantasy, a bit of comedy, unconventional romance, and addressing issues that people encounter everyday rolled into one. This ought to leave meaningful lessons about love, one's existence, new beginnings , and dealing with the different nuances of life.

When 19-year-old Clara, a village girl, is mysteriously transported 50 years into the future, she lands in the home of a wealthy childless couple. Taken in and enrolled in a prestigious school, Clara must hide a dangerous secret: she possesses supernatural powers that could alter the future. But her past isn’t finished with her enemies from another time are determined to capture her, and only her new friends, tech genius Mike, fighter-in-training James, and clever strategist Bridget, can help her survive. Romance, danger, and secrets collide as Clara navigates two worlds. Can she protect the future without losing herself?

Instead of drifting into the afterlife, Tyre is caught up in a magical time loop just after his death, he subsists in a plane between void and life. He must team up with other Deviants like himself as they journey through time preventing the inevitable event called;The Doomsday.

One moment he had just read the strangest book he had ever come across, the next he was stumbling into the world of that same book. Now Mars is trapped in a fantasy world as a nobody, and the gorgeous, cruel Crown Prince who just kidnapped him thinks he's a spy. Keith Elarion's solution? Keep Mars under his personal, infuriatingly attractive supervision. Mars’s plan is simple- survive, avoid the plot, and find a way home. But the prince is nothing like the two-dimensional villain from the book. Keith is all intense green eyes and confusing, rough kindness, and he’s decided Mars is his to keep. When Mars accidentally unleashes a power he should not possess, he becomes the key to a conspiracy that runs deeper than the novel ever revealed. His meddling changes everything, accelerating a plot that was supposed to take years. To top it off, a cryptic bird-god just told Mars he's not just a lost college student. He's the son of the goddess who made this world. To save Keith, stop a divine war, and maybe finally kiss the man he falls hopelessly in love with, Mars has to do the one thing the book never planned for: he has to rewrite fate itself.