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