Tens of thousands of members of the LDS Church have surveyed historical evidence and become concerned about issues surrounding the Book of Abraham. Should they be concerned?
The Book of Abraham was translated by Joseph Smith during the 19th century. However, significant evidence remains available for careful study even today. What have scholars discovered about the LDS translation of the Book of Abraham? Did the Mormon prophet Joseph Smith tell the truth about where this remarkable book came from?
Here are some resources that may be helpful to you:
The Lost Book of Abraham -- This documentary investigates the claim that Mormon founder Joseph Smith translated a lost book of scripture from an Egyptian papyrus scroll he obtained in the 19th century. Egyptologists discuss the claim and evidence so that you can decide what you think.
Book of Abraham: Criticism and Response -- Wikipedia has an adequate (but brief) summary of the controversy surrounding the Book of Abraham. Numerous problems are noted, and LDS apologists' responses to those problems are summarized.
Loss of testimony in the Book of Abraham (and ultimately, in Joseph Smith's credibility) appears to be a common reason that people quit the LDS Church. These are just a few online discussions that attest to this statement: