Murder of the Mormon Prophet: Political Prelude to the Death of Joseph Smith — LeGrand L. Baker

This thick hardbound has a great dust cover and clean text throughout; very nice.

850 pages of information on all those involved in killing Joseph Smith.

First Edition.

There has since then been a reprint in softcover, with a slightly different title, if you prefer that. Click HERE.

There are also leatherbound editions; click HERE. 

For other books on the martyrdom of Joseph and Hyrum click HERE.