Start with high-confidence black history books, then narrow by subgenre or adjacent topics.
The Slave Ship
Marcus Rediker
Victorian Values
T C Smout
How the Word Is Passed
Clint Smith
Shattered Dreams, Infinite Hope
Brandon M. Terry
Nothing Personal
James Baldwin, Eddie S. Glaude Jr.
Everybody's Protest Novel
James Baldwin
Black in Fashion
WWD, Tonya Blazio-Licorish
Black Marxism, Revised and Updated Third Edition
Cedric J. Robinson, Robin D.G. Kelley - foreword
Enslaved
Sean Kingsley, Simcha Jacobovici
Negro Orators and Their Orations
Carter G. Woodson
Carter G. Woodson, Booker T. Washington