The "Wheel of Time" is a high fantasy series written by Robert Jordan and later completed by Brandon Sanderson. It consists of 14 main books and a prequel, set in a richly developed world where time is cyclical. The story follows a group of characters, including Rand al'Thor, as they navigate a struggle against the Dark One, an evil entity threatening the world. The series features a complex magic system known as the One Power, which is wielded by both men and women, including the Aes Sedai, a powerful organization of female magic users. Themes of destiny, friendship, and the battle between good and evil are central to the narrative.