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.

Time and Again is a science fiction novel that follows Simon Morley, a young advertising artist living in New York City, who is recruited by a secret government project to travel back in time to the year 1882. The novel explores themes of nostalgia, love, and the complexity of time travel, as Simon falls in love with a woman from the past and must decide whether to stay in the 19th century or return to his own time.

The novel tells the story of a man with a genetic disorder that causes him to time travel unpredictably, and his wife, an artist who has to cope with his frequent absences and dangerous experiences. Their love story endures many separations and dangerous experiences due to his condition. The story's central theme is the effects of time travel on their marriage and their passionate love for each other.

This novel is a satirical romance set in a dystopian near-future where America is on the brink of financial collapse, youth obsession rules, and love is the only salvation. The story revolves around a middle-aged, neurotic man who falls in love with a much younger woman in a society where digital communication is the norm, and privacy is a thing of the past. Their relationship unfolds amidst a backdrop of economic and social chaos, providing a poignant commentary on modern life.