Start with high-confidence typography books, then narrow by subgenre or adjacent topics.
The Anatomy of Type
Stephen Coles
The Typographic Imagination
Nathan Shockey
Arcade Game Typography
Toshi Omigari
Junk Type
Bill Rose
Art of Dancehall
Walshy Fire
Designing With Type, 5th Edition
James Craig, Irene Korol Scala
Design for Hackers
David Kadavy
Graphic Design for Everyone
Cath Caldwell
Vintage Type and Graphics
Steven Heller, Louise Fili
Vintage Graphic Design
The Elements of Graphic Design
Alex W. White
Editing by Design
Jan V. White, Alex W. White
Thinking With Type
Ellen Lupton
The Ohno Book
James Edmondson
House Industries Lettering Manual
Ken Barber
