Migraine is a neurological disorder suffered by a billion people worldwide today. Attacks include headaches but also other symptoms that resemble drunkenness. Ulysses S. Grant may have been a migraineur.
‘Crucible of Command’ by William C. Davis
This dual biography viewing Lee and Grant as equally worthy had the bad luck to come out just before shares in Lee’s reputation crashed. Its dual biography format is still useful.
‘Why the Confederacy Lost’ edited by Gabor Boritt
Top Civil War historians including James McPherson and Gary Gallagher explain what it took more than heavier battalions to defeat the Confederacy.
Gettysburg vs. Vicksburg
Grant’s victory at Vicksburg was more important militarily than Lee’s defeat at Gettysburg, but politically, Pennsylvania trumped Mississippi.