"King Leopold's Ghost" by Adam Hochschild is a historical book written in English that delves into the topic of ghosts in a unique and compelling way. The author, Adam Hochschild, explores the haunting legacy of King Leopold II of Belgium and the atrocities committed during the Congo Free State era. The book's title suggests a supernatural element, but it ultimately serves as a metaphor for the lingering effects of violence and oppression. With a focus on both historical and supernatural elements, this book offers a captivating read for those interested in both genres.