Snorri Sturluson 
Prose Edda — Gylfaginning (The Fooling Of Gylfe) 

The Prose Edda, also known as the Younger Edda, is an Old Norse textbook written in Iceland during the early 13th century. It consists of several parts Gylfaginning, Skáldskaparmál, and Háttatal. This book presents the first part of Prose Edda – Gylfaginning or The Fooling of Glyfe deals with different aspects of Norse mythology.