The Pearl of Great Price

The Pearl of Great Price contains the book of Moses, the book of Abraham, and some inspired writings of Joseph Smith. The book of Moses contains an account of some of the visions and writings of Moses, revealed to the Prophet Joseph Smith. It clarifies doctrines and teachings that were lost from the Bible and gives added information concerning the Creation of the earth.

The book of Abraham was translated by the Prophet Joseph Smith from a papyrus scroll taken from the Egyptian catacombs. This book contains valuable information about the Creation, the gospel, the nature of God, and the priesthood.
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The writings of Joseph Smith include part of Joseph Smith’s inspired translation of the Bible, selections from his History of the Church, and the Articles of Faith. - by LDS.org