The novel follows the story of a young girl named Meg Murry, her younger brother Charles Wallace, and their friend Calvin O'Keefe as they embark on a cosmic journey to rescue Meg and Charles Wallace's father. The father, a scientist, has been missing since he discovered a new planet using the concept of Tesseract, which is a wrinkle in time. Guided by three mysterious celestial beings, the children travel across different dimensions, face evil forces, and learn about the power of love and self-sacrifice.

The novel follows the fantastical journey of a 19th-century American engineer who, after a blow to the head, finds himself transported back in time to the medieval kingdom of King Arthur. Using his modern knowledge and ingenuity, the protagonist attempts to modernize the past society, introducing industrial technology and democratic ideas. His efforts to revolutionize the Arthurian world are met with both humor and a critical examination of the social and political issues of both the past and his contemporary society, ultimately leading to a complex interplay between progress and tradition.

In this science fiction-fantasy novel, the protagonist embarks on a time-traveling quest to prevent a global catastrophe. Guided by a unicorn, the protagonist uses a powerful rune to mentally leap through time and space, inhabiting the lives of different people throughout history who are connected to the present-day threat. As the protagonist influences the actions of these individuals, the narrative weaves a complex tapestry of interconnected events, emphasizing themes of family, love, and the interconnectedness of all things. The story challenges the protagonist to understand the ripple effects of actions across time, ultimately aiming to alter the course of history to save the world from impending doom.

The series blends elements of fantasy, science fiction, and historical fiction, following the journey of a young woman who is transported back in time to the age of King Arthur and the Knights of the Round Table. With her knowledge of the future and her emerging psychic abilities, she becomes a pivotal figure in the ancient world, influencing historical events and intertwining her destiny with legendary characters. As she navigates the challenges of her new life, she also uncovers mysteries that link the past, present, and future, revealing a timeless battle between light and darkness. Her adventures across time explore themes of destiny, reincarnation, and the interconnectedness of all things.

In the novel, two teenage brothers accidentally travel back in time to the era just before the biblical flood. Stranded in a pre-deluvian world filled with seraphim, nephilim, and other mystical beings, they find themselves embroiled in the lives and struggles of the people of that time. As they search for a way back to their own time, they encounter love, temptation, and the impending catastrophe of the great flood, learning valuable lessons about responsibility and the complexity of human nature along the way.

In this comedic science fiction novel, a time-traveling historian is sent back to Victorian England to recover a missing artifact and correct a temporal anomaly that threatens to alter history. Amidst the chaos of trying to adhere to the peculiarities of the era, he must also deal with an eccentric cast of characters, including a lovable but troublesome bulldog. As he navigates the complexities of time travel and the nuances of historical events, the protagonist finds himself entangled in a series of humorous misadventures that challenge the very rules of time and space, all while trying to ensure the past remains intact.

In a future where time travel is possible, a group of misfits from different eras are recruited to journey back to prehistoric Earth. As they navigate the dangers of this ancient world, they discover that they possess unique psychic abilities. With conflicts arising among themselves and encounters with other time-traveling factions, they must learn to harness their powers and survive the perils of the past. This captivating science fiction novel explores themes of identity, adventure, and the complexities of human relationships.

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.

In a parallel 1985 where literature is taken to extremes, a literary detective named Thursday Next navigates a world where the boundaries between reality and fiction are blurred. When a criminal mastermind begins kidnapping characters from classic novels, Thursday must enter the pages of Charlotte Brontë's "Jane Eyre" to pursue the villain and restore the beloved story to its rightful course. Her journey is fraught with danger, wit, and a touch of romance, as she contends with a time-traveling father, a pet dodo, and the complexities of her own life entwined with the fictional landscapes she protects.

"The Crown of Dalemark" is the fourth and final book in the Dalemark Quartet series by Diana Wynne Jones. The story follows Maewen, a young girl who is transported from her own time to the land of Dalemark where she becomes involved in a dangerous struggle for the throne. With the help of her friends, Maewen embarks on a journey to find the missing crown of Dalemark and restore the rightful ruler to the throne. Along the way, she discovers the truth about her own past and the role she must play in the future of Dalemark. The book is a thrilling conclusion to the series, filled with magic, adventure, and unexpected twists.