Did you know that all of the published images (and transcripts) of the writings of Joseph Smith are now online in a searchable form? See what LDS scholars have access to — and know why so many of them study Mormonism's history — but no longer believe its doctrines. See the documents here.
For more information, see The Mormon Mirage 3rd Edition: A Former Member Looks at the Mormon Church Today(Zondervan, 2009). Also available as an audiobook and as an expanded-text E-book for Nook, Kindle and other reading devices.