"11/22/63" is a science fiction novel by Stephen King that follows the story of Jake Epping, a high school English teacher who discovers a portal that leads to 1958. After being convinced by his friend Al to use the portal to prevent the assassination of John F. Kennedy, Jake embarks on a journey through time to change the course of history. Along the way, he falls in love with a woman named Sadie and faces various obstacles that threaten to alter the timeline he is trying to change. The book explores themes of love, loss, and the consequences of trying to change the past.

In this metafictional novel, a time machine repairman, trapped in a time loop, searches for his father and the meaning of his existence within a universe that operates on science fiction tropes. As he navigates a landscape filled with paradoxes, dog-eared pages of his life, and a self-aware narrative, he confronts his past and the nature of reality itself. The book blends emotional depth with quantum mechanics, exploring themes of family, memory, and the passage of time, all while breaking the fourth wall and challenging the conventions of storytelling.

This novel weaves together the lives of diverse characters through a narrative that spans decades, centering on a teenage runaway with psychic abilities. As she becomes embroiled in a covert war between immortal factions, the story explores themes of mortality, power, and the interconnectedness of human lives. The intricate plot moves through different times and places, revealing a hidden world of mysticism and a looming apocalyptic crisis, all while examining the impact of our actions on the future of the planet.

In this epistolary science fiction novel, two rival agents, Red and Blue, find themselves on opposite sides of a sprawling temporal conflict known as the Time War. As they carry out missions to manipulate the strands of history for their respective factions, their paths cross in unexpected ways. Through a series of secret letters left across time and space, what begins as taunting correspondence evolves into a deep, forbidden connection. The narrative weaves a complex tapestry of time-travel and intrigue, exploring themes of love, identity, and the consequences of actions within the ever-shifting sands of time. As their bond deepens, Red and Blue must ultimately decide where their loyalties lie and what sacrifices they are willing to make for a chance at a future together.

This two-volume science fiction narrative follows a group of historians from 2060 who travel back to World War II-era England for research purposes. However, their mission goes awry when they become trapped in the past due to irregularities in the time travel system. As they navigate the dangers of the Blitz and other historical events, they must also confront the possibility that their actions could alter history. The characters grapple with the chaos of war, the intricacies of time travel, and the moral dilemmas of potentially impacting the future, all while trying to find a way back to their own time.

"Necessity" is the third book in a philosophical science fiction series that follows the residents of a distant planet created by the goddess Athena to experiment with Plato's ideal society. The story takes place generations after the founding of the city, where gods, humans, and sentient robots coexist. The narrative explores complex themes such as the nature of choice, the existence of gods, and the development of societies. When the planet faces a potential existential threat, its inhabitants must grapple with their destiny and the implications of their existence within a universe where the lines between myth and reality are blurred.