A book titled "Elphie: A Wicked Childhood" has been released, with some outlets reviewing it as a backstory of the Wicked Witch of the West. The book is part of the Wicked saga by author Gregory Maguire, who may also be releasing a prequel book about Galinda in 2026. Reviews of "Elphie" have been published, although the exact nature and tone of the book are somewhat unclear.