The REAL Lincoln, by Thomas Dilorenzo.
His agenda, and an unnecessary war.
For an exposition of ideas underpinning the Lost Cause of the Confederacy, updated with some modern interpretations.
DiLorenzo is (since October 2023) president of the Mises Institute (Auburn Alabama) -- representing the Austrian School of Economics and anarcho-capitalist.
Mises founder & chairman is libertarian anarcho-capitalist Lew Rockwell, and one contributor was former US Congressman Ron Paul.
Another is former Fox News commentator, Judge Andrew Napolitano.
DiLorenzo with Lew Rockwell: