The Book of Abraham is a fraud.
http://en.wikipedia.org/wiki/Book_of_Abraham
The Book of Abraham is a 1835 work produced by Joseph Smith [1] that he said was based on Egyptian papyri purchased from a traveling mummy exhibition. According to Smith, the book was "a translation of some ancient records ... purporting to be the writings of Abraham, while he was in Egypt, called the Book of Abraham, written by his own hand, upon papyrus". [2] Smith's translation of the papyri describes a story of Abraham's early life, including a vision of thecosmos.
The work was canonized in 1880 by The Church of Jesus Christ of Latter-day Saints (LDS Church) as part of its Pearl of Great Price. [1] Thus, it forms a doctrinal foundation for the LDS Church and Mormon fundamentalist denominations of the Latter Day Saint movement. It is not considered to be a religious text by the Community of Christ. Other sects in the Latter Day Saint movement have various opinions regarding the Book of Abraham, with some rejecting and some accepting the text as inspired scripture. The book contains several doctrines that are unique to Mormonism, such as the concept of God organizing eternal, pre-existing elements to create the universe instead of creating it ex nihilo.
The Book of Abraham papyri were thought lost in the 1871 Great Chicago Fire. However, in 1966 several fragments of the papyri were found in the archives of the Metropolitan Museum of Art in New York, and in the LDS Church archives. They are now referred to as the Joseph Smith Papyri. Upon examination by professional Mormon and non-Mormon Egyptologists, the papyri were found to bear no resemblance to Joseph Smith's interpretation, and were common Egyptian funerary texts, dating to about the first century BC. As a result, the Book of Abraham has been the source of significant controversy, with Mormon apologists offering a variety of explanations as to the reason for the differences.
Theres also a good doco on youtube, that describes the entire story, particularly the bit how the source scroll which they bought from a travelling merchant, that contains the book doesnt even mention Abraham.