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Snorri's Edda, also called the Prose Edda, is an extensive manual of Norse mythology written in Iceland around 1220 by Snorri Sturluson, a chieftain, historian, and poet. Written as a guide for skalds, or poets, the Prose Edda contains tales of the gods, heroes, and their adventures. It is considered a primary source for understanding Norse mythology and Old Norse literature.