Start with high-confidence direct marketing books, then narrow by subgenre or adjacent topics.
Successful Direct Marketing Methods
Bob Stone, Ron Jacobs
Naked Consumer
Erik Larson
Hypnotic Writing
Joe Vitale
The Ultimate Guide to Network Marketing
Joe Rubino
Data-driven Marketing
Mark Jeffery
Get Clients Now! (TM)
C. J. Hayden, Jay Conrad Levinson
Affiliate Marketing for Dummies
Ted Sudol, Paul Mladjenovic
The Linkedin Edge
Jeb Blount, Brynne Tillman
Traffic Secrets
Russell Brunson
The Ultimate Sales Letter, 4th Edition
Dan S Kennedy
The Direct Mail Solution
Craig Simpson, Dan S. Kennedy
No B.s. Direct Marketing
Dan S. Kennedy, Mike Lenz
Conversion Marketing
Bryan Heathman
How to Get a Meeting With Anyone, Updated Edition
Stu Heinecke
No B.s. Guide to Successful Marketing Automation
Dan S. Kennedy, Parthiv Shah - with
ABM Is B2b.
Sangram Vajre, Eric Spett