Start with high-confidence b2b marketing books, then narrow by subgenre or adjacent topics.
The 22 Immutable Laws of Branding
Al Ries, Laura Ries
The Fall of Advertising and the Rise of PR
Focus
Al Ries
Alchemy
Rory Sutherland, Mariner
Branding Only Works on Cattle
Jonathan Salem Baskin
Data-driven Marketing
Mark Jeffery
Kellogg on Branding
Alice M. Tybout, Tim Calkins
The 22 Immutable Laws of Marketing
Al Ries, Jack Trout
Kellogg on Branding in a Hyper-connected World
Power Branding
Steve McKee
All Marketers Are Liars
Seth Godin
Trust Me, I'm Lying
Ryan Holiday
Star Brands
Carolina Rogoll
Earn It
Steve Pratt, Page Two