The Prose Edda forms the basis of what the world knows as Norse mythology, and contains legends of the creation of the cosmos and the best-known stories of Odin, Thor, and the other gods.
https://www.ostarapublications.com/product/the-prose-edda/
The Prose Edda, also known as the Younger Edda, Snorri's Edda (Icelandic: Snorra Edda) or, historically, simply as Edda, is an Old Norse textbook written in Iceland during the early 13th century. The work is often assumed to have been to some extent written, or at least compiled, by the Icelandic scholar, lawspeaker, and historian Snorri Sturluson c. 1220. It is considered the fullest and most detailed source for modern knowledge of Norse mythology, the body of myths of the North Germanic peoples, and draws from a wide variety of sources, including versions of poems that survive into today in a collection known as the Poetic Edda.
https://en.m.wikipedia.org/wiki/Prose_Edda