Book of Mudora

The Book of Mudora appears in A Link to the Past, and is a collection of ancient Hylian lore and stories, as well as a guide to translating the ancient Hylian Language that appears throughout the land of Hyrule. It is found in a library south of Kakariko Village, and is used to allow Link to enter the Desert Palace (the second dungeon in the Light World) and also to obtain two of the three Spell Medallions. There is also text in front of the Master Sword's pedestal which Link is able to read using the book. The book was written by the legendary historian Mudora.

Trivia
In official artwork, the cover of the book carries a number of unidentified symbols.