Gucio zaczarowany (lit. "The Enchanted Gucio" but translated to English as "Bobo's Metamorphosis") is a poetry collection by Czesław Miłosz. It was first published in 1965. The title is the same as a children book by which Miłosz liked as a child.[1] Steven Serafin called this one of Miłosz's masterpieces.[2]