A Wrinkle In Time by Madeleine L'Engle

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 215th greatest book of all time