The EDDA is a source of Norse mythology, written in the 13th century by an Icelandic poet and historian named Snorri Sturluson. It is composed of two parts, the Prose Edda and the Poetic Edda, which contain a collection of stories, poems, and other works related to Norse mythology. The Prose Edda is a handbook for skaldic poetry, while the Poetic Edda is a collection of mythological poems. Both works are important sources of information about Norse mythology and culture.