what is the main idea of a wrinkle in time

The main idea of "A Wrinkle in Time" by Madeleine L’Engle is the struggle between good and evil, the importance of love and acceptance, and the journey of self-discovery. The novel follows the journey of Meg Murry, a young girl who travels through space and time with her brother, Charles Wallace, and friend, Calvin, to rescue her missing father and defeat the darkness that threatens to consume the universe. Along the way, they encounter various challenges that test their courage, faith, and understanding of the world around them. Through their adventure, the characters learn valuable lessons about the power of love, kindness, and individuality in the face of adversity.