The 11th Missouri Volunteer Infantry in the Civil War: A History and Roster by David W. Belcher (McFarland, 2011).
2. Dear Sallie ...: The Letters of Confederate Private James Jewel, Echols Light Artillery, Oglethorpe County, Georgia edited by Gary L. Doster (Angle Valley Pr, 2011).
The overwhelming majority of published Confederate letters (or regimental histories for that matter) are from soldiers serving in the east with the ANV. By contrast, Jewel spent most of his war along Florida's Gulf coast.
3. Steamboats and the Rise of the Cotton Kingdom by Robert H. Gudmestad (LSU Pr, 2011).
A descriptive history of river steamboats, as well as a cultural and economic discussion of their impact.