gnuser reviewed Underground airlines by Ben H. Winters
"It is the present-day, and the world is as we know it: smartphones, social networking …
Alt-History -what if slavery didn't end in US
4 stars
Winters does well covering political and legal aspects of US slavery and the domestic and international repercussions, but where he shines is in bringing to life the personal costs to those both inside and outside the "Hard Four" slave states and the violence that underlies it all.