Start with high-confidence rap & hip hop books, then narrow by subgenre or adjacent topics.
E.a.r.l.
DMX, Smokey D. Fontaine
Diary of a Madman
Brad "Scarface" Jordan, Benjamin Meadows Ingram
Sweat the Technique
Rakim
Legends of Hip-hop: 2pac
Pen Ken
Legends of Hip-hop: Queen Latifah
Legends of Hip-hop: Biggie Smalls
Can't Stop Won't Stop
Jeff Chang, D.J. Kool Herc
Kanye West Owes Me $300
Jensen Karp
Who Is Bad Bunny?
G. M. Taboas Zayas
Beastie Boys Book
Michael Diamond, Adam Horovitz
Jeff Chang, Dave 'Davey D' Cook
History Comics: Hip-hop
Jarrett Williams
The Roots of Rap
Carole Boston Weatherford
When the Beat Was Born
Laban Carrick Hill
The Chronicles of DOOM
S.H. Fernando Jr.
Remember the Times
Teddy Riley, Jake Brown
Jay-z
Cate Rubenstein
The Marathon Don't Stop
Rob Kenner
Fashion Killa
Sowmya Krishnamurthy
K-POP Now!
Mark James Russell