Son of a Witch by Gregory Maguire is the 2005 dark fantasy sequel to Wicked, following Liir, the young boy thought to be the son of Elphaba (the Wicked Witch of the West), as he navigates a dangerous, politically unstable Oz after her death. The story explores themes of identity and morality as a wounded, maturing Liir journeys to uncover his past, find his missing sister, and determine his own path